{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6246ef47f1664ebe859a3b3f1493f5f9088a43153b21cc6c2c5813b2c54a5055",
    "signature": "0x5b1061fe2c5315e8c22033b620f5577e81169f663bbdf28774e7443bb7ddbc2950106a9102f850e2561a5767cbfd793eb885286eda4e9e3bad673a9c95227e1b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}