{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4e17978776bf6287a480422345e663254941cdbd9852f62adf15fe2f85468fbe",
    "signature": "0x02b87aee7b72b593c9b2071dfde32b6d25e8e7b2622ac7fdb54b35be9edc3fef4ff7f15fec522dc0874d8a3763a7754a9a4bc94507b3c04d318c8df684c5d8c61c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}