{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x572da380221b3edf9dbd3e764fc55bbea22dd4da0fa109e3b2e85b273e14bab9",
    "signature": "0x18da6abfa4c0ecf6c29b79a57f65cb5f855f4a3ad56eda246b0c822c0f183a134ed4f47ea8aa50049955274f70389b8f67bb81f3ce21355febdab533b7582b3d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}