{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x767a0d85ff31fcf5025ae9b3c3ff3c3903fde7aa950b4f1d330d5c797cfe1e9f",
    "signature": "0x20928d18e58e2d9003d58d901e920c12e672a2c71e597e6ed9239ca32325d6bf3c5c7a89e4fe13417b7014073fd28cc5bf73d83a4cf2dbca58b6b4787e4171e11b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}