diff --git a/lib/types/aux-user-types.js b/lib/types/aux-user-types.js
--- a/lib/types/aux-user-types.js
+++ b/lib/types/aux-user-types.js
@@ -7,10 +7,16 @@
   IdentityPlatformDetails,
 } from './identity-service-types.js';
 
+type AccountMissingFromIdentityStatus = {
+  +missingSince: number,
+  +lastChecked: number,
+};
+
 export type AuxUserInfo = {
   +fid: ?string,
   +deviceList?: RawDeviceList,
   +devicesPlatformDetails?: { +[deviceID: string]: IdentityPlatformDetails },
+  +accountMissingStatus?: AccountMissingFromIdentityStatus,
 };
 
 export type AuxUserInfos = { +[userID: string]: AuxUserInfo };