JSON

content.json

{
  "01": {
    "title": "Title",

      "content" : [
        {
          "subTitle": "Super Category"
        }
      ]
  }
}

script.js

$(function() {
  $.getJSON('01-control-panel.json', function(data) {
    $.each(data, function(i, a) {
      
      var output = '<div>' +
      '<p>' + a.title + '</p>' + '<ul>{content}</ul>' + '</div>';
      
      var li = '';

      $.each(a.content, function(i, a) {
        li += "<li>" + a.subTitle + "</li>";
      });

      output = output.replace('{content}', li);

      $(output).appendTo(".div-class");
     });
   });
});