{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x263ed816be3e18f7556cbd99ed4068775aceb8021425471c3675adea642a3f2a",
    "signature": "0x2e384eef26b4d19ddda0ed707e45be947a789bc91a1c0c2bd23a57be2ddeaf6e53ff413dbdbf72aa56d3ea5bb0bc90fc8e997858a0369c8530fc656b409cd1ea1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}