diff --git a/lib/types/db-ops-types.js b/lib/types/db-ops-types.js
new file mode 100644
--- /dev/null
+++ b/lib/types/db-ops-types.js
@@ -0,0 +1,18 @@
+// @flow
+
+import type { StoreOperations } from './store-ops-types.js';
+
+export type MessageID = string;
+
+type DBOpsEntry =
+  | {
+      +messageID: MessageID,
+      +ops?: ?StoreOperations,
+    }
+  | {
+      +ops: StoreOperations,
+    };
+
+export type DBOpsStore = {
+  +queuedOps: $ReadOnlyArray<DBOpsEntry>,
+};
diff --git a/lib/types/redux-types.js b/lib/types/redux-types.js
--- a/lib/types/redux-types.js
+++ b/lib/types/redux-types.js
@@ -20,6 +20,7 @@
   UpdateUserAvatarResponse,
 } from './avatar-types.js';
 import type { CommunityStore, AddCommunityPayload } from './community-types.js';
+import type { DBOpsStore } from './db-ops-types.js';
 import type {
   GetVersionActionPayload,
   LastCommunicatedPlatformDetails,
@@ -156,6 +157,7 @@
   +globalThemeInfo: GlobalThemeInfo,
   +customServer: ?string,
   +communityStore: CommunityStore,
+  +dbOpsStore: DBOpsStore,
   ...
 };
 
diff --git a/lib/utils/reducers-utils.test.js b/lib/utils/reducers-utils.test.js
--- a/lib/utils/reducers-utils.test.js
+++ b/lib/utils/reducers-utils.test.js
@@ -84,6 +84,9 @@
       communityStore: {
         communityInfos: {},
       },
+      dbOpsStore: {
+        queuedOps: [],
+      },
     };
     state = {
       ...defaultState,
diff --git a/native/redux/default-state.js b/native/redux/default-state.js
--- a/native/redux/default-state.js
+++ b/native/redux/default-state.js
@@ -84,6 +84,9 @@
   communityStore: {
     communityInfos: {},
   },
+  dbOpsStore: {
+    queuedOps: [],
+  },
 }: AppState);
 
 export { defaultState };
diff --git a/native/redux/persist.js b/native/redux/persist.js
--- a/native/redux/persist.js
+++ b/native/redux/persist.js
@@ -138,6 +138,7 @@
   'frozen',
   'threadStore',
   'storeLoaded',
+  'dbOpsStore',
 ];
 
 function handleReduxMigrationFailure(oldState: AppState): AppState {
diff --git a/native/redux/state-types.js b/native/redux/state-types.js
--- a/native/redux/state-types.js
+++ b/native/redux/state-types.js
@@ -4,6 +4,7 @@
 import type { PersistState } from 'redux-persist/es/types.js';
 
 import type { CommunityStore } from 'lib/types/community-types.js';
+import type { DBOpsStore } from 'lib/types/db-ops-types';
 import type { DraftStore } from 'lib/types/draft-types.js';
 import type { EnabledApps } from 'lib/types/enabled-apps.js';
 import type { EntryStore } from 'lib/types/entry-types.js';
@@ -77,6 +78,7 @@
   +localSettings: LocalSettings,
   +integrityStore: IntegrityStore,
   +communityStore: CommunityStore,
+  +dbOpsStore: DBOpsStore,
 };
 
 export { nonUserSpecificFieldsNative };
diff --git a/web/redux/default-state.js b/web/redux/default-state.js
--- a/web/redux/default-state.js
+++ b/web/redux/default-state.js
@@ -80,6 +80,9 @@
   communityStore: {
     communityInfos: {},
   },
+  dbOpsStore: {
+    queuedOps: [],
+  },
 });
 
 export { defaultWebState };
diff --git a/web/redux/redux-setup.js b/web/redux/redux-setup.js
--- a/web/redux/redux-setup.js
+++ b/web/redux/redux-setup.js
@@ -27,6 +27,7 @@
   identityInvalidSessionDowngrade,
 } from 'lib/shared/session-utils.js';
 import type { CommunityStore } from 'lib/types/community-types.js';
+import type { DBOpsStore } from 'lib/types/db-ops-types.js';
 import type { DraftStore } from 'lib/types/draft-types.js';
 import type { EnabledApps } from 'lib/types/enabled-apps.js';
 import type { EntryStore } from 'lib/types/entry-types.js';
@@ -117,6 +118,7 @@
   +globalThemeInfo: GlobalThemeInfo,
   +customServer: ?string,
   +communityStore: CommunityStore,
+  +dbOpsStore: DBOpsStore,
 };
 
 export type Action =