{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1dd3659eef41766a462a98a587c6e9e7d7201d5f1b9aac97cbb48685ed256db9",
    "signature": "0x1ca52c5735fc405d26bafa7167c3cdbc24b5bbba823dba2a688535e6557dfea1757b19d71273521021280ff16e9322591e13238de1b1ac676bc0afe216e146e01c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}