{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x046facf6c090e61f4fee2deb132b3c6ec7643f0aeb93934709f503b62b589c4e",
    "signature": "0xb0fb1d96d340aceac962123794d3bbc708462e13bd528304e1035eb12cf438217a11acf57f511fa2fbac75f3e3455618e6892b34af039dd661e737dde79ee7441b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}