{
  "_id": "sync_metadata_INBOX",
  "_rev": "2-def456abc789123",
  "docType": "sync_metadata",
  "mailbox": "INBOX",
  "lastSyncTime": "2025-08-02T14:26:08.281094+02:00",
  "lastMessageUID": 123,
  "messageCount": 45,
  "updatedAt": "2025-08-02T14:26:08.281094+02:00"
}