Get settings of a client in a grouped way for a category

{
  "title": "E-Mail Settings",
  "groups": [
    {
      "name": "Generic E-Mail Settings",
      "description": "You can configure your general email settings here",
      "settings": [
        {
          "name": "ticketingSystem",
          "category": "email",
          "group": "Generic E-Mail Settings",
          "label": "Ticketing system in use",
          "description": "Enneo supports multiple ticketing systems. Please select one.",
          "type": "select",
          "config": null,
          "value": "internal",
          "defaultValue": "internal"
        }
      ]
    }
  ]
}