{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6438c49eefe51b4a7ab65cdd3bc3def05da9ce42850386a94dcc240fc6b3e62a",
    "signature": "0x2c64fdeecedb4690b964f964f4cb1407c54816ef4ee3b60efe329ce03869b17c1faa3cf0e6a282144419a6100f1f93454d3bf2509ec2d834ab2f3e02c79f59291b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}