{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xc1d9765c9ad278ff776172cc61ae1ab2687cff157dc21fdcad299f04b6c6e16d",
    "signature": "0xe16b81cf45efd485504fb7257a7d58b6f2221f6a2be7fdb5e289736f59cbab02676d94f8e4a1e3b8abb787884cd662c53f06a247ccd453d7cd1eb0417c8329c41b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}