{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5cb924c5a4a191e5aef3b5bc4617b4dd4f936f82f1ddea019988cab247e375be",
    "signature": "0x939a346c37ddcf266b963b30d3897351c9ad2e7830bec3a983736ba49d52137e260af14f52e2ec7c1fb49ff5fe22b8a712aed8c11a4ae5a3117aacb250acf94e1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}