curl --request POST \
  --url https://api.example.com/iser/save/notification-setting \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "settings": [
    {
      "notifySettingTypeID": 123,
      "viaEmail": true,
      "viaSMS": true,
      "viaPush": true
    }
  ],
  "languageID": 1,
  "forIserCode": "693981f0-3af4-4ae0-a187-103be5ebc226",
  "forIserID": null
}
'

{
  "success": true,
  "data": "<unknown>"
}