{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6fd89cdc3b9d1fda57c3d232cb0a4f515f0d0e0c2fe69644c915097438d68319",
    "signature": "0xa181e6ece71c8120e976b496da8faadacb0cf53236c77234395dd4c73e82f9be55aa0aa3e2faa2942d46df122c5064e97f1cc41af3d7b20b256d7b7c050fd5cf1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}