{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb15b3fd3acab1f16c8a38edae19bc67ef1d75434e68a4e44a0ba9265e4f52667",
    "signature": "0xdc86edd9239b8cbd92906dea9fd7d8409f9e6aa31f7fc46f9ce81b43b73712782b3995beb71ed9013bded8de6b311efa3b93dec0fe96bd6fe850b72902114a2d1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}