{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2d390dbf26a7bd65c3dcca62c778db5f8ed45e5b797085b35a0e72af8b18a87e",
    "signature": "0xe5af1f3f49fcdbb8cb5cb81992fe6217adc2255f48adfef0c67c4641f9f9356f5e8df18011f9ca6e870b7c5c7ab6201d451b6ce222fc9aa37eaaff1ee63044121b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}