{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd86ddb86cdcf25bd7e941c3ec7d042ca5a43dee58d589e365c2d64d53cc31b93",
    "signature": "0x04b764f0cc8ea0fca5c3165a7d875e22ce0c9499d41b62347e256a6920583b2762f2efe35289f89c429b9523ca6fc7dcdfc8f1451b374f5e8d1f4ebc394c5b231b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}