diff --git a/lib/permissions/minimally-encoded-thread-permissions.js b/lib/permissions/minimally-encoded-thread-permissions.js
index 5040d761d..d3d4e12ba 100644
--- a/lib/permissions/minimally-encoded-thread-permissions.js
+++ b/lib/permissions/minimally-encoded-thread-permissions.js
@@ -1,220 +1,220 @@
 // @flow
 
 import invariant from 'invariant';
 
 import { parseThreadPermissionString } from './prefixes.js';
 import type {
   ThreadPermission,
   ThreadPermissionInfo,
   ThreadPermissionsInfo,
   ThreadRolePermissionsBlob,
 } from '../types/thread-permission-types.js';
 import { threadPermissions } from '../types/thread-permission-types.js';
 import { entries, invertObjectToMap } from '../utils/objects.js';
 import type { TRegex } from '../utils/validation-utils.js';
 import { tRegex } from '../utils/validation-utils.js';
 
 // `baseRolePermissionEncoding` maps permission names to indices.
 // These indices represent the 6-bit basePermission part of the 10-bit role
 // permission encoding created by `rolePermissionToBitmaskHex`.
 // The 6-bit basePermission allows for up to 2^6 = 64 different permissions.
 // If more than 64 permissions are needed, the encoding in
 // `rolePermissionToBitmaskHex` will need to be updated to accommodate this.
 const baseRolePermissionEncoding = Object.freeze({
   know_of: BigInt(0),
   visible: BigInt(1),
   voiced: BigInt(2),
   edit_entries: BigInt(3),
   edit_thread: BigInt(4), // EDIT_THREAD_NAME
   edit_thread_description: BigInt(5),
   edit_thread_color: BigInt(6),
   delete_thread: BigInt(7),
   create_subthreads: BigInt(8), // CREATE_SUBCHANNELS
   create_sidebars: BigInt(9),
   join_thread: BigInt(10),
   edit_permissions: BigInt(11),
   add_members: BigInt(12),
   remove_members: BigInt(13),
   change_role: BigInt(14),
   leave_thread: BigInt(15),
   react_to_message: BigInt(16),
   edit_message: BigInt(17),
   edit_thread_avatar: BigInt(18),
   manage_pins: BigInt(19),
   manage_invite_links: BigInt(20),
   voiced_in_announcement_channels: BigInt(21),
 });
 
 // `minimallyEncodedThreadPermissions` is used to map each permission
 // to its respective bitmask where the index from `baseRolePermissionEncoding`
 // is used to set a specific bit in the bitmask. This is used in the
 // `permissionsToBitmaskHex` function where each permission is represented as a
 // single bit and the final bitmask is the union of all granted permissions.
 const minimallyEncodedThreadPermissions = Object.fromEntries(
   Object.keys(baseRolePermissionEncoding).map((key, idx) => [
     key,
     BigInt(1) << BigInt(idx),
   ]),
 );
 
 // This function converts a set of permissions to a hex-encoded bitmask.
 // Each permission is represented as a single bit in the bitmask.
 const permissionsToBitmaskHex = (
   permissions: ThreadPermissionsInfo,
 ): string => {
   let bitmask = BigInt(0);
   for (const [key, permission] of entries(permissions)) {
     if (permission.value && key in minimallyEncodedThreadPermissions) {
       invariant(
         typeof minimallyEncodedThreadPermissions[key] === 'bigint',
         'must be bigint',
       );
       bitmask |= minimallyEncodedThreadPermissions[key];
     }
   }
   return bitmask.toString(16);
 };
 
-const tHexEncodedRolePermission: TRegex = tRegex(/^[0-9a-fA-F]{3,}$/);
+const tHexEncodedPermissionsBitmask: TRegex = tRegex(/^[0-9a-fA-F]+$/);
 const threadPermissionsFromBitmaskHex = (
   permissionsBitmaskHex: string,
 ): ThreadPermissionsInfo => {
   invariant(
-    tHexEncodedRolePermission.is(permissionsBitmaskHex),
+    tHexEncodedPermissionsBitmask.is(permissionsBitmaskHex),
     'permissionsBitmaskHex must be valid hex string.',
   );
 
   const permissionsBitmask = BigInt(`0x${permissionsBitmaskHex}`);
   const permissions: { [permission: ThreadPermission]: ThreadPermissionInfo } =
     {};
 
   for (const [key, permissionBitmask] of entries(
     minimallyEncodedThreadPermissions,
   )) {
     if ((permissionsBitmask & permissionBitmask) !== BigInt(0)) {
       permissions[key] = { value: true, source: 'null' };
     } else {
       permissions[key] = { value: false, source: null };
     }
   }
   return permissions;
 };
 
 const hasPermission = (
   permissionsBitmaskHex: string,
   permission: ThreadPermission,
 ): boolean => {
   const permissionsBitmask = BigInt(`0x${permissionsBitmaskHex}`);
   if (!(permission in minimallyEncodedThreadPermissions)) {
     return false;
   }
   const permissionBitmask = minimallyEncodedThreadPermissions[permission];
   const knowOfBitmask =
     minimallyEncodedThreadPermissions[threadPermissions.KNOW_OF];
   invariant(
     typeof permissionBitmask === 'bigint',
     'permissionBitmask must be of type bigint',
   );
   return (
     (permissionsBitmask & permissionBitmask) !== BigInt(0) &&
     (permissionsBitmask & knowOfBitmask) !== BigInt(0)
   );
 };
 
 const propagationPrefixes = Object.freeze({
   '': BigInt(0),
   'descendant_': BigInt(1),
   'child_': BigInt(2),
 });
 const filterPrefixes = Object.freeze({
   '': BigInt(0),
   'open_': BigInt(1),
   'toplevel_': BigInt(2),
   'opentoplevel_': BigInt(3),
 });
 
 // Role Permission Bitmask Structure
 // [9 8 7 6 5 4 3 2 1 0] - bit positions
 // [b b b b b b p p f f] - symbol representation
 // b = basePermission    (6 bits)
 // p = propagationPrefix (2 bits)
 // f = filterPrefix      (2 bits)
 const rolePermissionToBitmaskHex = (threadRolePermission: string): string => {
   const parsed = parseThreadPermissionString(threadRolePermission);
   const basePermissionBits =
     baseRolePermissionEncoding[parsed.permission] & BigInt(63);
   const propagationPrefixBits =
     propagationPrefixes[parsed.propagationPrefix ?? ''] & BigInt(3);
   const filterPrefixBits =
     filterPrefixes[parsed.filterPrefix ?? ''] & BigInt(3);
 
   const bitmask =
     (basePermissionBits << BigInt(4)) |
     (propagationPrefixBits << BigInt(2)) |
     filterPrefixBits;
 
   return bitmask.toString(16).padStart(3, '0');
 };
 
 const inverseBaseRolePermissionEncoding = invertObjectToMap(
   baseRolePermissionEncoding,
 );
 
 const inversePropagationPrefixes: Map<bigint, string> =
   invertObjectToMap(propagationPrefixes);
 
 const inverseFilterPrefixes: Map<bigint, string> =
   invertObjectToMap(filterPrefixes);
 
-const tHexEncodedPermissionsBitmask: TRegex = tRegex(/^[0-9a-fA-F]+$/);
+const tHexEncodedRolePermission: TRegex = tRegex(/^[0-9a-fA-F]{3,}$/);
 const decodeRolePermissionBitmask = (bitmask: string): string => {
   const bitmaskInt = BigInt(`0x${bitmask}`);
   const basePermission = (bitmaskInt >> BigInt(4)) & BigInt(63);
   const propagationPrefix = (bitmaskInt >> BigInt(2)) & BigInt(3);
   const filterPrefix = bitmaskInt & BigInt(3);
 
   const basePermissionString =
     inverseBaseRolePermissionEncoding.get(basePermission);
   const propagationPrefixString =
     inversePropagationPrefixes.get(propagationPrefix) ?? '';
   const filterPrefixString = inverseFilterPrefixes.get(filterPrefix) ?? '';
 
   invariant(
     basePermissionString !== null &&
       basePermissionString !== undefined &&
       propagationPrefixString !== null &&
       propagationPrefixString !== undefined &&
       filterPrefixString !== null &&
       filterPrefixString !== undefined,
     'invalid bitmask',
   );
 
   return `${propagationPrefixString}${filterPrefixString}${basePermissionString}`;
 };
 
 const threadRolePermissionsBlobToBitmaskArray = (
   threadRolePermissionsBlob: ThreadRolePermissionsBlob,
 ): $ReadOnlyArray<string> =>
   Object.keys(threadRolePermissionsBlob).map(rolePermissionToBitmaskHex);
 
 const decodeThreadRolePermissionsBitmaskArray = (
   threadRolePermissionsBitmaskArray: $ReadOnlyArray<string>,
 ): ThreadRolePermissionsBlob =>
   Object.fromEntries(
     threadRolePermissionsBitmaskArray.map(bitmask => [
       decodeRolePermissionBitmask(bitmask),
       true,
     ]),
   );
 
 export {
   permissionsToBitmaskHex,
   threadPermissionsFromBitmaskHex,
   hasPermission,
   rolePermissionToBitmaskHex,
   decodeRolePermissionBitmask,
   threadRolePermissionsBlobToBitmaskArray,
   decodeThreadRolePermissionsBitmaskArray,
   tHexEncodedRolePermission,
   tHexEncodedPermissionsBitmask,
 };
diff --git a/lib/permissions/minimally-encoded-thread-permissions.test.js b/lib/permissions/minimally-encoded-thread-permissions.test.js
index a7b4e6ab9..28cc6e3f4 100644
--- a/lib/permissions/minimally-encoded-thread-permissions.test.js
+++ b/lib/permissions/minimally-encoded-thread-permissions.test.js
@@ -1,608 +1,640 @@
 // @flow
 
 import {
   exampleMinimallyEncodedRawThreadInfoA,
   exampleRawThreadInfoA,
   expectedDecodedExampleRawThreadInfoA,
 } from './minimally-encoded-thread-permissions-test-data.js';
 import {
   minimallyEncodedMemberInfoValidator,
   minimallyEncodedRawThreadInfoValidator,
   minimallyEncodedRoleInfoValidator,
   minimallyEncodedThreadCurrentUserInfoValidator,
 } from './minimally-encoded-thread-permissions-validators.js';
 import {
   decodeRolePermissionBitmask,
   decodeThreadRolePermissionsBitmaskArray,
   hasPermission,
   permissionsToBitmaskHex,
   rolePermissionToBitmaskHex,
   threadPermissionsFromBitmaskHex,
   threadRolePermissionsBlobToBitmaskArray,
 } from './minimally-encoded-thread-permissions.js';
 import {
   minimallyEncodeRawThreadInfo,
   decodeMinimallyEncodedRawThreadInfo,
   minimallyEncodeThreadCurrentUserInfo,
 } from '../types/minimally-encoded-thread-permissions-types.js';
 import type { ThreadRolePermissionsBlob } from '../types/thread-permission-types.js';
 import type { ThreadCurrentUserInfo } from '../types/thread-types.js';
 
 const permissions = {
   know_of: { value: true, source: '1' },
   visible: { value: true, source: '1' },
   voiced: { value: true, source: '1' },
   edit_entries: { value: true, source: '1' },
   edit_thread: { value: true, source: '1' },
   edit_thread_description: { value: true, source: '1' },
   edit_thread_color: { value: true, source: '1' },
   delete_thread: { value: true, source: '1' },
   create_subthreads: { value: true, source: '1' },
   create_sidebars: { value: true, source: '1' },
   join_thread: { value: false, source: null },
   edit_permissions: { value: false, source: null },
   add_members: { value: true, source: '1' },
   remove_members: { value: true, source: '1' },
   change_role: { value: true, source: '1' },
   leave_thread: { value: false, source: null },
   react_to_message: { value: true, source: '1' },
   edit_message: { value: true, source: '1' },
   edit_thread_avatar: { value: false, source: null },
   manage_pins: { value: false, source: null },
   manage_invite_links: { value: false, source: null },
   voiced_in_announcement_channels: { value: false, source: null },
 };
 
 describe('minimallyEncodedThreadPermissions', () => {
   it('should encode ThreadPermissionsInfo as bitmask', () => {
     const permissionsBitmask = permissionsToBitmaskHex(permissions);
     expect(permissionsBitmask).toBe('373ff');
     expect(hasPermission(permissionsBitmask, 'know_of')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'visible')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'voiced')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'edit_entries')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'edit_thread')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'edit_thread_description')).toBe(
       true,
     );
     expect(hasPermission(permissionsBitmask, 'edit_thread_color')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'delete_thread')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'create_subthreads')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'create_sidebars')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'join_thread')).toBe(false);
     expect(hasPermission(permissionsBitmask, 'edit_permissions')).toBe(false);
     expect(hasPermission(permissionsBitmask, 'remove_members')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'change_role')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'leave_thread')).toBe(false);
     expect(hasPermission(permissionsBitmask, 'react_to_message')).toBe(true);
     expect(hasPermission(permissionsBitmask, 'edit_message')).toBe(true);
   });
 });
 
 describe('hasPermission', () => {
   const permissionsSansKnowOf = {
     know_of: { value: false, source: null },
     visible: { value: true, source: '1' },
   };
   const permissionsSansKnowOfBitmask = permissionsToBitmaskHex(
     permissionsSansKnowOf,
   );
   it('should fail check if know_of is false even if permission specified in request is true', () => {
     expect(hasPermission(permissionsSansKnowOfBitmask, 'visible')).toBe(false);
   });
 
   const permissionsWithKnowOf = {
     know_of: { value: true, source: '1' },
     visible: { value: true, source: '1' },
   };
   const permissionsWithKnowOfBitmask = permissionsToBitmaskHex(
     permissionsWithKnowOf,
   );
   it('should succeed permission check if know_of is true', () => {
     expect(hasPermission(permissionsWithKnowOfBitmask, 'visible')).toBe(true);
   });
 });
 
 describe('threadPermissionsFromBitmaskHex', () => {
   const expectedDecodedThreadPermissions = {
     know_of: { value: true, source: 'null' },
     visible: { value: true, source: 'null' },
     voiced: { value: true, source: 'null' },
     edit_entries: { value: true, source: 'null' },
     edit_thread: { value: true, source: 'null' },
     edit_thread_description: { value: true, source: 'null' },
     edit_thread_color: { value: true, source: 'null' },
     delete_thread: { value: true, source: 'null' },
     create_subthreads: { value: true, source: 'null' },
     create_sidebars: { value: true, source: 'null' },
     join_thread: { value: false, source: null },
     edit_permissions: { value: false, source: null },
     add_members: { value: true, source: 'null' },
     remove_members: { value: true, source: 'null' },
     change_role: { value: true, source: 'null' },
     leave_thread: { value: false, source: null },
     react_to_message: { value: true, source: 'null' },
     edit_message: { value: true, source: 'null' },
     edit_thread_avatar: { value: false, source: null },
     manage_pins: { value: false, source: null },
     manage_invite_links: { value: false, source: null },
     voiced_in_announcement_channels: { value: false, source: null },
   };
 
   it('should decode ThreadPermissionsInfo from bitmask', () => {
     const permissionsBitmask = permissionsToBitmaskHex(permissions);
     const decodedThreadPermissions =
       threadPermissionsFromBitmaskHex(permissionsBitmask);
 
     expect(decodedThreadPermissions).toStrictEqual(
       expectedDecodedThreadPermissions,
     );
   });
+
+  it('should decode bitmask strings under 3 characters', () => {
+    // We know that '3' in hex is 0b0011. Given that permissions are encoded
+    // from least significant bit (LSB) to most significant bit (MSB), we would
+    // except this to mean that only the first two permissions listed in
+    // `baseRolePermissionEncoding` are `true`. Which is the case.
+    const decodedThreadPermissions = threadPermissionsFromBitmaskHex('3');
+    expect(decodedThreadPermissions).toStrictEqual({
+      know_of: { value: true, source: 'null' },
+      visible: { value: true, source: 'null' },
+      voiced: { value: false, source: null },
+      edit_entries: { value: false, source: null },
+      edit_thread: { value: false, source: null },
+      edit_thread_description: { value: false, source: null },
+      edit_thread_color: { value: false, source: null },
+      delete_thread: { value: false, source: null },
+      create_subthreads: { value: false, source: null },
+      create_sidebars: { value: false, source: null },
+      join_thread: { value: false, source: null },
+      edit_permissions: { value: false, source: null },
+      add_members: { value: false, source: null },
+      remove_members: { value: false, source: null },
+      change_role: { value: false, source: null },
+      leave_thread: { value: false, source: null },
+      react_to_message: { value: false, source: null },
+      edit_message: { value: false, source: null },
+      edit_thread_avatar: { value: false, source: null },
+      manage_pins: { value: false, source: null },
+      manage_invite_links: { value: false, source: null },
+      voiced_in_announcement_channels: { value: false, source: null },
+    });
+  });
 });
 
 describe('rolePermissionToBitmaskHex', () => {
   it('should encode `child_opentoplevel_visible` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_opentoplevel_visible')).toBe(
       '01b',
     );
   });
 
   it('should encode `child_opentoplevel_know_of` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_opentoplevel_know_of')).toBe(
       '00b',
     );
   });
 
   it('should encode `child_toplevel_visible` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_toplevel_visible')).toBe('01a');
   });
 
   it('should encode `child_toplevel_know_of` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_toplevel_know_of')).toBe('00a');
   });
 
   it('should encode `child_opentoplevel_join_thread` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_opentoplevel_join_thread')).toBe(
       '0ab',
     );
   });
 
   it('should encode `child_visible` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_visible')).toBe('018');
   });
 
   it('should encode `child_know_of` successfully', () => {
     expect(rolePermissionToBitmaskHex('child_know_of')).toBe('008');
   });
 });
 
 describe('decodeRolePermissionBitmask', () => {
   it('should decode `01b` to `child_opentoplevel_visible` successfully', () => {
     expect(decodeRolePermissionBitmask('01b')).toBe(
       'child_opentoplevel_visible',
     );
   });
 
   it('should decode `00b` to `child_opentoplevel_know_of` successfully', () => {
     expect(decodeRolePermissionBitmask('00b')).toBe(
       'child_opentoplevel_know_of',
     );
   });
 
   it('should decode `01a` to `child_toplevel_visible` successfully', () => {
     expect(decodeRolePermissionBitmask('01a')).toBe('child_toplevel_visible');
   });
 
   it('should decode `00a` to `child_toplevel_know_of` successfully', () => {
     expect(decodeRolePermissionBitmask('00a')).toBe('child_toplevel_know_of');
   });
 
   it('should decode `0ab` to `child_opentoplevel_join_thread` successfully', () => {
     expect(decodeRolePermissionBitmask('0ab')).toBe(
       'child_opentoplevel_join_thread',
     );
   });
 
   it('should decode `018` to `child_visible` successfully', () => {
     expect(decodeRolePermissionBitmask('018')).toBe('child_visible');
   });
 
   it('should decode `008` to `child_know_of` successfully', () => {
     expect(decodeRolePermissionBitmask('008')).toBe('child_know_of');
   });
 });
 
 const threadRolePermissionsBlob: ThreadRolePermissionsBlob = {
   add_members: true,
   child_open_join_thread: true,
   create_sidebars: true,
   create_subthreads: true,
   descendant_open_know_of: true,
   descendant_open_visible: true,
   descendant_opentoplevel_join_thread: true,
   edit_entries: true,
   edit_message: true,
   edit_permissions: true,
   edit_thread: true,
   edit_thread_avatar: true,
   edit_thread_color: true,
   edit_thread_description: true,
   know_of: true,
   leave_thread: true,
   react_to_message: true,
   remove_members: true,
   visible: true,
   voiced: true,
   open_know_of: true,
   open_visible: true,
   opentoplevel_join_thread: true,
   toplevel_know_of: true,
   toplevel_visible: true,
   opentoplevel_know_of: true,
   opentoplevel_visible: true,
   child_know_of: true,
   child_visible: true,
   child_opentoplevel_join_thread: true,
   child_toplevel_know_of: true,
   child_toplevel_visible: true,
   child_opentoplevel_know_of: true,
   child_opentoplevel_visible: true,
 };
 
 const threadRolePermissionsBitmaskArray = [
   '0c0',
   '0a9',
   '090',
   '080',
   '005',
   '015',
   '0a7',
   '030',
   '110',
   '0b0',
   '040',
   '120',
   '060',
   '050',
   '000',
   '0f0',
   '100',
   '0d0',
   '010',
   '020',
   '001',
   '011',
   '0a3',
   '002',
   '012',
   '003',
   '013',
   '008',
   '018',
   '0ab',
   '00a',
   '01a',
   '00b',
   '01b',
 ];
 
 describe('threadRolePermissionsBlobToBitmaskArray', () => {
   it('should encode threadRolePermissionsBlob as bitmask array', () => {
     const arr = threadRolePermissionsBlobToBitmaskArray(
       threadRolePermissionsBlob,
     );
     expect(arr).toEqual(threadRolePermissionsBitmaskArray);
   });
 });
 
 describe('decodeThreadRolePermissionsBitmaskArray', () => {
   it('should decode threadRolePermissionsBitmaskArray', () => {
     expect(
       decodeThreadRolePermissionsBitmaskArray(
         threadRolePermissionsBitmaskArray,
       ),
     ).toEqual(threadRolePermissionsBlob);
   });
 });
 
 describe('minimallyEncodedRoleInfoValidator', () => {
   it('should validate correctly formed MinimallyEncodedRoleInfo', () => {
     expect(
       minimallyEncodedRoleInfoValidator.is({
         minimallyEncoded: true,
         id: 'roleID',
         name: 'roleName',
         permissions: ['abc', 'def'],
         isDefault: true,
       }),
     ).toBe(true);
   });
 
   it('should NOT validate malformed MinimallyEncodedRoleInfo', () => {
     expect(
       minimallyEncodedRoleInfoValidator.is({
         id: 1234,
         name: 'roleName',
         permissions: ['abc', 'def'],
         isDefault: true,
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedRoleInfoValidator.is({
         id: 'roleID',
         name: 'roleName',
         permissions: ['hello a02 test', 'def'],
         isDefault: true,
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedRoleInfoValidator.is({
         id: 'roleID',
         name: 'roleName',
         permissions: [123, 456],
         isDefault: true,
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedRoleInfoValidator.is({
         id: 'roleID',
         name: 'roleName',
         permissions: ['ZZZ', 'YYY'],
         isDefault: true,
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedRoleInfoValidator.is({
         id: 'roleID',
         name: 'roleName',
         permissions: ['AAAAA', 'YYY'],
         isDefault: true,
       }),
     ).toBe(false);
   });
 });
 
 describe('minimallyEncodedThreadCurrentUserInfoValidator', () => {
   it('should validate correctly formed MinimallyEncodedThreadCurrentUserInfo', () => {
     expect(
       minimallyEncodedThreadCurrentUserInfoValidator.is({
         minimallyEncoded: true,
         permissions: '100',
         subscription: { home: true, pushNotifs: true },
       }),
     ).toBe(true);
     expect(
       minimallyEncodedThreadCurrentUserInfoValidator.is({
         minimallyEncoded: true,
         permissions: 'ABCDEFABCDEFABCD',
         subscription: { home: true, pushNotifs: true },
       }),
     ).toBe(true);
   });
 
   it('should NOT validate malformed MinimallyEncodedThreadCurrentUserInfo', () => {
     expect(
       minimallyEncodedThreadCurrentUserInfoValidator.is({
         minimallyEncoded: true,
         permissions: 'INVALID',
         subscription: { home: true, pushNotifs: true },
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedThreadCurrentUserInfoValidator.is({
         minimallyEncoded: true,
         permissions: 'ABCDEF  hello  ABCDEFABCD',
         subscription: { home: true, pushNotifs: true },
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedThreadCurrentUserInfoValidator.is({
         minimallyEncoded: true,
         permissions: 100,
         subscription: { home: true, pushNotifs: true },
       }),
     ).toBe(false);
   });
 });
 
 describe('minimallyEncodedMemberInfoValidator', () => {
   it('should validate correctly formed MinimallyEncodedMemberInfo', () => {
     expect(
       minimallyEncodedMemberInfoValidator.is({
         minimallyEncoded: true,
         id: 'memberID',
         permissions: 'ABCDEF',
         isSender: true,
       }),
     ).toBe(true);
 
     expect(
       minimallyEncodedMemberInfoValidator.is({
         minimallyEncoded: true,
         id: 'memberID',
         permissions: '01b',
         isSender: false,
       }),
     ).toBe(true);
   });
 
   it('should NOT validate malformed MinimallyEncodedMemberInfo', () => {
     expect(
       minimallyEncodedMemberInfoValidator.is({
         minimallyEncoded: true,
         id: 'memberID',
         permissions: 'INVALID',
         isSender: false,
       }),
     ).toBe(false);
 
     expect(
       minimallyEncodedMemberInfoValidator.is({
         minimallyEncoded: true,
         id: 'memberID',
         permissions: 100,
         isSender: false,
       }),
     ).toBe(false);
   });
 });
 
 describe('minimallyEncodedRawThreadInfoValidator', () => {
   it('should validate correctly formed MinimallyEncodedRawThreadInfo', () => {
     expect(
       minimallyEncodedRawThreadInfoValidator.is(
         exampleMinimallyEncodedRawThreadInfoA,
       ),
     ).toBe(true);
   });
 });
 
 describe('minimallyEncodeRawThreadInfo', () => {
   it('should correctly encode RawThreadInfo', () => {
     expect(
       minimallyEncodedRawThreadInfoValidator.is(
         minimallyEncodeRawThreadInfo(exampleRawThreadInfoA),
       ),
     ).toBe(true);
   });
 });
 
 describe('decodeMinimallyEncodedRawThreadInfo', () => {
   it('should correctly decode minimallyEncodedRawThreadInfo', () => {
     expect(
       decodeMinimallyEncodedRawThreadInfo(
         minimallyEncodeRawThreadInfo(exampleRawThreadInfoA),
       ),
     ).toStrictEqual(expectedDecodedExampleRawThreadInfoA);
   });
 });
 
 const threadCurrentUserInfo: ThreadCurrentUserInfo = {
   role: '256|83795',
   permissions: {
     know_of: {
       value: true,
       source: '256|1',
     },
     visible: {
       value: true,
       source: '256|1',
     },
     voiced: {
       value: false,
       source: null,
     },
     edit_entries: {
       value: false,
       source: null,
     },
     edit_thread: {
       value: false,
       source: null,
     },
     edit_thread_description: {
       value: false,
       source: null,
     },
     edit_thread_color: {
       value: false,
       source: null,
     },
     delete_thread: {
       value: false,
       source: null,
     },
     create_subthreads: {
       value: false,
       source: null,
     },
     create_sidebars: {
       value: false,
       source: null,
     },
     join_thread: {
       value: false,
       source: null,
     },
     edit_permissions: {
       value: false,
       source: null,
     },
     add_members: {
       value: false,
       source: null,
     },
     remove_members: {
       value: false,
       source: null,
     },
     change_role: {
       value: false,
       source: null,
     },
     leave_thread: {
       value: false,
       source: null,
     },
     react_to_message: {
       value: false,
       source: null,
     },
     edit_message: {
       value: false,
       source: null,
     },
     edit_thread_avatar: {
       value: false,
       source: null,
     },
     manage_pins: {
       value: false,
       source: null,
     },
     manage_invite_links: {
       value: false,
       source: null,
     },
     voiced_in_announcement_channels: {
       value: false,
       source: null,
     },
   },
   subscription: {
     home: true,
     pushNotifs: true,
   },
   unread: true,
 };
 describe('minimallyEncodeThreadCurrentUserInfo', () => {
   it('should correctly encode threadCurrentUserInfo ONCE', () => {
     const minimallyEncoded = minimallyEncodeThreadCurrentUserInfo(
       threadCurrentUserInfo,
     );
     expect(minimallyEncoded.permissions).toBe('3');
   });
 
   it('should throw when attempting to minimally encode threadCurrentUserInfo twice', () => {
     const minimallyEncoded = minimallyEncodeThreadCurrentUserInfo(
       threadCurrentUserInfo,
     );
     expect(minimallyEncoded.permissions).toBe('3');
     expect(() =>
       // `MinimallyEncodedThreadCurrentUser` should never be passed
       // to `minimallyEncodeThreadCurrentUserInfo`. We're intentionally
       // bypassing Flow to simulate a scenario where malformed input is
       // passed to minimallyEncodeThreadCurrentUserInfo to ensure that the
       // `invariant` throws the expected error.
 
       // $FlowExpectedError
       minimallyEncodeThreadCurrentUserInfo(minimallyEncoded),
     ).toThrow('threadCurrentUserInfo is already minimally encoded.');
   });
 });