{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Spanish Caminos Reales, predating 1821",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "bcb1d5f083f924c0678c38a5fbe588c4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADJJREFUOI1jYaAyYBk1kHoGrmRgOEOJQeEMDCYoBlILjBo4auCgMhCW0qlmILXACDQQAC1pAtz1SFLQAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}