{
    "widgettype": "VBox",
    "options": {
        "width": "100%",
        "height": "100%",
        "padding": "0"
    },
    "subwidgets": [
        {
            "widgettype": "urlwidget",
            "options": {
                "url": "{{entire_url('/dashboard_for_sage/api_doc.html')}}",
                "width": "100%",
                "height": "100%"
            }
        }
    ]
}