{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Data placeholder",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2771a6f70e869fbaaa1117b8c4cd1028",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC6s7Qsi27DmonUMDAy09PKogaMGjho4aiBOA2FFEDlgypQpjCgGwgQoBQDXfAxueDzTVwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}