{
 "layers": [
  {
   "layerId": 0,
   "layerName": "STM_Valves",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "ef5749076d8bc2cc2188d91b21d401c1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjElEQVQ4jWNhoDJgGTWQYsAybAwsh9JHGRgYjlBqYHmYrGcDiHHt093fVz7eamVgYOgk10AbHX616gApVw4QB0RveLa7YdXj7Qy4DGUhYKC1Fp8yK2FPUBApIG9Dw5IsAztB3rv26W41zKXQMDxCiQs7r3y8dfTKx1vWMD41vHyEUHIZfjmFaDD4DQQAkyMrgpe+K2gAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}