{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xba55323802e2bd7e905768d374083128dec777c76c517c07faf2439cdda19d2e",
    "signature": "0x0d12ed028a1b8e5e4032b80132029ecb20a445d1e6ba1110a059c8e739985d367139b4df76f5ae6104f8d4d5c55ce3e64d2fdaef0b6d38150e6cad4ce2b98aff1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}