{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2ba39b689eec92d6e94b240b11c5c1e21515f6eb4f5c3f47225cc3c10d2aca46",
    "signature": "0xdecde6bdcbc0742aaf5eee7ea9ae2853a1eb1651884c36a9dc7d2e07e9ae934a63d16c632d17c044783488b810ad802eb4d75bd05adf6986a9e31a5ea2e7995e1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}