{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Mileposts",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "aaa507abe948348f55b74e83c3051ad7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAPVJREFUOI1jYaAyYBk1cOgZyDJLWyheQfSr3u+/DN8vfmPYWXX2535yDeTZ5cCwRJv3nT8jVECLjyFD3py9K/rkzzaSDVxvy96gw/vTH1mMnYmB30rkZ2W/AfuZwgs/d5FkoBQrgxc2cXYmBh4d3p+BDAwMpBnIxPyTD5ccK4MQHwPDO6xyOA38/pv9FgPHT2l08f8MDAxvvn29gUsfTgMffv9ZL8zOYC7IxsCFLH7nM8PFs2d/dpBsYOxJhsOrDBj8pQXY2zmZfur9Z2b49vYHw57n3xiy2xkYfpNsIAMDA0PYBYY9DAw/9+BTQ5KB5IBRAykHAAQZQ9ixvujIAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}