{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Street Centerlines",
   "layerType": "Feature Layer",
   "minScale": 300000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f1fe5de4696c52e2bb17fc892b4d7e8d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAALUlEQVQ4jWNhoDJgGTVw1MBhbeCcOXP+U2JQSkoKI4qBMAFKwRAKw1EDh7GBAJEtBX4bVr/+AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}