{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xeb0c35f5fa9f43b4b942031337efd1bfa4e50d15ab0ee4733f9380b8acfd8612",
    "signature": "0xd4de033d4c89d156d3e9d25e88cf292f37f12f9cd36d3ceff46ce89ad6b1ddd0042a7357a0789131ffa67b2b18e864c3be4e1084fc231f0d6651100da486bb391b",
    "signer": "0x12a25915A56b8c7091E2C1591880a29d03CCAf57",
    "userId": "513768325"
  }
}