{ "widgettype":"VBox", "options":{ "width":"100%" }, "subwidgets":[ { "widgettype":"Title3", "options":{ "height":"auto", "text":"Header information" } }, { "widgettype":"Filler", "options":{}, "subwidgets":[ { "widgettype":"urlwidget", "options":{ "url":"{{entire_url('channels.ui')}}" } } ] }, { "widgettype":"Text", "options":{ "text":"Footer information" } } ] }