{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Big Sweep",
   "layerType": "Feature Layer",
   "minScale": 250000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "c05adb128baeca4f29039b4117b74370",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC5JREFUOI1jYaAyYBk1cNTAQWOgSsl/qph2p4eRRi6808NIXQOpCEYNHDWQDAAAAnIEur+ZuaYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}