{
 "layers": [
  {
   "layerId": 1,
   "layerName": "City Boundary",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "11ddd5c581181c64e9b8dd5bd8871425",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzElEQVQ4jeWUwQ2DMAxF/8EjsEWGsDcjWQeGwB4i+1QOQSoShkrlUvovzuHnyUl+TAAWAIJA8zzrNE1eQw8ABWAARuqL0DwMg6SUHBjSRERUtTEcOPoi5wxmPjK3uix+kJMW1ZtcgU0O2zZH0CvYDniX6H+A0u+Z7oLJCiy3AFUVpRSvTDnnwszjVTQ+gQIQqrW2NH8L3ET+R/1bnQX7GbH5UaC+TY0jbY925PPxV2vVHbCHMwT6TDSztvmsw0Ywd/ZhG8nMSs9tlC95AbtlVQnS/9mQAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}