{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x39846f528562f603552d0e83231426801b04e0c54009176ff30178ab16d8597f",
    "signature": "0x09768fac9fb40501a4b0444e058999477b9ed708aadd9845a278cb9cf47380015fc62004075c188ba2f14ef67241d37ba0b05974b27d087c416a1ccf6e3618121b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}