{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x130c40dad0ffa0659979b4bbdd2ee8f5f89ae51590f5e3fc30116f7bf533b29f",
    "signature": "0x6362a9e14467cf0e24a6cc0097a33b38f891253c78e93f3a33f1f5e4dbb6a87864b5ccbf88171aaf1ef318799da0e0068a54f4d9074ca91d41011f0b86fd80271b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}