{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Streets",
   "layerType": "Feature Layer",
   "minScale": 100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "66d97ecda03911701bf989caf9c40d1f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEBJREFUOI1jYaAyYBk1cNTAwWKgv7//f2oYtnHjRkYWBgYGhpSUFGqYx7Bx40aIC319fRmpYiLDkImUUQOHuYEAebwIeK84OtMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}