{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x60839e4db4b70340c5f487d2940771174f19a9e55ced24a7808d7edee28c8edc",
    "signature": "0x3e83e1e31c2923e5c3ad0ec8d369689d45b9b2cff80c9dd85505dcb73d1366b900115d97a57cc9394ab4b64bd9014c966fb2e4a3b9309eefbc3be53b050afd1e1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}