{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcebcbd6900a7350e66a00fbc05d2a378149c14628bdb5e3905a3daa705d11d7a",
    "signature": "0x778023ce1ef9b8bdf078c54e900092d73f8fdeb13f8863d4cf59e31d2b9b01bf6f67e164e55827b1755a9a4bee5f033daf57ef2b48f758a1fc27d5c7613b552b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}