{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x17e800af355b591c18837da765253580a706a73495631814879cc91558f7f399",
    "signature": "0x1e8cae5c2bd0117cc2e687e7001d6f640eddeee35d162680222f748c462304a824c83f4d8b2de627e36f666124be1d1f2a3d8e37d9d98bc30ed89bb81ea57df91b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}