{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9d8237adac31904669e84f3c0c9f92561d9a512a4f47aa158660335e9885ba24",
    "signature": "0x867e960cb7d52f6bfe63ac7d2c53b7b89d982f3973d5d85618e5be1156e11c907dda1c84b8f2adbeb67bc16088b019085494255ab9e55c6eea4a2318e0e0e3551b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}