{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Engineering Grids",
   "layerType": "Feature Layer",
   "minScale": 115000,
   "maxScale": 4000,
   "legend": [
    {
     "label": "",
     "url": "cfb594c23beecd20646975086f2b5375",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADtJREFUOI1jYaAyYKGZgW+EGP5TapjIOwZGFnQBcg2DOYh2Xh41cNTAUQNHDcRpICVlIqzoY0EXoBQAAAtEClRn7b05AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}