{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Signs",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "56481963ba496a71ec25657fd77240d2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAlElEQVQ4jWNhoDJgGTVw1EA4aIDSB6CYIgMbAoWc6xkYGBiuf79Xf+P7/UYkC0g20EGDU7E+QNCJgYGBgSFA0Ilhw/t99evf7UV2NWkGanIqEVBCmoEY4Pr3ewwMeMKRkIEN69/tZbj+/V49zKXQMCTbQAYGBoaGG9/vH7jx/b4DjI9PMbFePoDPVeQYSDQYNZByAAAFRioBBhFz1gAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Poles",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e9295af790ffc3e3f10e780f84950ae0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAlElEQVQ4jWNhoDJgGTVw1EA4aIDSB6CYIgMb1CNc6hkYGBjeXLlX//bKvUYkC0g20EFYR6leLcKZgYGBgUGNwZnh1oq99TdX7EF2NWkGiugoEVBCmoEY4M2VewwMeMKRkIENN1fsYXhz5V49zKXQMCTbQAYGBoaGt1fuHXh75Z4DjI9PMbFePoDPVeQYSDQYNZByAAB6uylvP7GrvQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}