{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Contours",
   "layerType": "Feature Layer",
   "minScale": 10000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2b3e0370618614c0b107244f3960d501",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYBk1cNTAwWLguZVp/6lhmFH4LEbauNAofBYjVQ2kJhg1cNRAMgAAyT0FdWYzFfoAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}