{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x084ce543cd92915c9428cd93f90084c17cf1062b0f3dbbb37fcf413a1c9ad70d",
    "signature": "0xca6ccaf34d1f048d9d7fec8a8c07ad22e0713db168bc32d8d08fb04fbefd887248e87d05b8e7b1274bde455aac23e3152ecf7f5e478b4a2d63fff8b694e707391c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}