{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Field Map Point Test",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "763dcc4a066621c0d60251eb94ea3a48",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAh0lEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxtEfB3rQYxvNx/Uf7t1vxHJApINdOBSU6wX8XGE8HwYGN5s2V//ZvN+BlyGshA0UF2BgBIKI+XbzQcM+MKRhYD+BpD3QGEHcyk0DMk2EAQavt26f+DbrfsOYB6eCCHFywSTy/DLKUSDwW8gAP8VKbSV/K3sAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}