{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xa78542f72222a42d38d6138988457264cc6715d07a34c6ea7d12d42cab658367",
    "signature": "0x5dab85a37faa1e16ea9ce30a2a5d7e1fd51e63352e4c9bb482488f5917572fa3783a3a22c2e38d9c9545dcf589f5cdd3b475f8ee1282944116e6ab29a6a9f11d1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}