{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Gas_Test_Point",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "ea3d6f828823e80e683f5242040ae1b4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAlUlEQVQ4jWNhoDJgGTVw1EA4aIDSB6CYIgMbDD0V6hkYGBie3/5Q/+LOh0YkC0g20EFCRaDewEOegYGBgcHAQ57hwo6H9ee3P2DAZShBAyVVBQgoIc1ADPD89gcGBjzhSMjAhvPbHzA8v/2hHuZSaBiSbSADAwNDw4s7Hw68uPPBAcbHp5hYLx/A5ypyDCQajBpIOQAAMRUqGViDegIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}