{
 "layers": [
  {
   "layerId": 0,
   "layerName": "STM_Valves",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "7d356a989f05eabbc6452ea475c6618a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiElEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxuCZdzrQYzrn+7WX/t0pxHJApINdNDiU6kPlnaH8KQZGNY+3Vm/9slOBlyGshAyUJNPmYASCiPl+qe7DPjCkYWA/gaQ90BhB3MpNAzJNhAEGq59unPg2qc7DmAengghxcsEk8vwyylEg8FvIADOGSlFIqZD0QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}