{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa0b210af616cc11279c3054ca87f108683b05d5903b72941d83e186b355f9c68",
    "signature": "0xd35e5ae439c941cd9365697e8358f0f6fdf431e121ab0c0d7e18f8d9d7166f0f7052c7d6bfee8ac641f8a4981f1681085684dabc2fbe9e3a5ff0c441fab1dacb1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}