{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3b56077c248f94fae27beeb1b028caee24039a851f5960dddef26309820c452d",
    "signature": "0xa8db2c1b946c3e5f7178a8dc3e4353542f94b79d94e9a83e36f0aad71a3dc5a64cece6b6f2803582cb8585c96d5a91d048c43697cdf3796588658bf0002734cf1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}