{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x308f620939a16dfe2eaa7e32f35b87df8952af6f4e25b7fbbd42b75d7885aec4",
    "signature": "0x266fe893820cec8addf4fbe04ff6d76b1234c28b1cc8ee66d0497f056882da454fd9bda8c811d045191f437c6e249be08d5cb518072db602c63ed07d8328b41a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}