{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Pressure Relief Valves (PRVs)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "84e41e7d3edb1dcf8206c967d9939940",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABYAAAAUCAYAAACJfM0wAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABGElEQVQ4jbWVzY2DMBCFXyRqyNV9BGkZSkgD2wVnbOVIF2kgJcREgjqWShIZzXjNrxwEI/mE/b3n57FJcFAlR4IJgN2ZSw5c8jA7CGhmWYmCAudbBGS9g85mTIFA/qXLqMMjAG92r2OBlCrYphuCdZGhLH6QX+/+Iy/MRvFMgLLWVK8pWOr5+IVtO5iqlklhPHUIdcAsVaCLQlQUdFGgZYGBy00XpG66MJZ/4VT1TtdqFmzbrofqyu3cl+G8yYnZ5t4LlEUWF4WpXmMgRt0h/ToQcGczC7btH/R5Fein8vDd4QRO59sCuBlkuda/UprHMzzUCZhL+vWbK52H8cyBTYTLpRIz/r1IGJhvBC4KOPDeb3EvcNgf5AOG1HVYaF+xrwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 22
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}