{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x78ab34d7262cc30be98621a958794e2530d5d6d033663a9e2d74727192d1d2bc",
    "signature": "0x8aae8defd921823dbc1b1c37a5700f8f4a601ff9eb295ef04d89e185d6540a5826f102a3b236a52ab2ae5b59d6b4ae83a57470a1286f57ba696cc0134cf25b421c",
    "signer": "0xB4997E54aF0150e350d1DA7E5AaB6a45Db31a78f",
    "userId": "888737354"
  }
}