{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Project Polygon",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "b3558cd84d59da02e7e4a58ecca1692f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4jWPJy8v7z0BFwMLAwMDQF9JBFcOK1lRADKQmGDVw1MBRA0cNHDUQycCiNRVUMxAAfSsHMN44vIsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}