{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Marker",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "6f2998bd5bd0cea959213b39a2a8d599",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAhklEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxskhJ3rQYwv3+7Vf/l+vxHJApINdODhVKwXF3ICc0D0y3f76l+83cuAy1AWggZyKRFQQmGkfPl2jwFfOLIQ0N8A8h4o7GAuhYYh2QaCQMOX7/cPfPl+3wHMwxMhpHiZYHIZfjmFaDD4DQQA0j8qcSf8ekYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}