{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Light",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Others",
     "url": "e6f4126b8be7f54d95bff1765255a950",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABBUlEQVQ4jd3TvytGYRjG8U860kspNn+Af4AMymqwMDNYJUrJIKPB5OdgeBeD2UKsRiX1bhjkH8Dg90pPPep0Oq9zXu+ZXNvdcz3f7vu6uxMVK/k3wE4M4qYqYA+G2gFO4h7XTd67MY+tssATzOErp6sAW8mDFY1cj9DgGcEwLjCDTXz+JcM6DrCKQ2xgvxksD9gb8/tRP47wEOs1bOMy5WmkY8kC33CaqvswlqmvMp6PNCALDEt4TtVhtHF04BHTWM94SmfYFbe5iAFMYBZLOMNdK8AalrGH99jhU5xgFwvx721Z4Ch2ftlm2PRUK8BzxTpu55Zf4vUUKikJDNm9VgksrcqB3wifM4ZqgvUoAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "FLUO",
      "HPS",
      "INC",
      "LPS",
      "MV",
      "MH"
     ]
    },
    {
     "label": "LED",
     "url": "24791683cbc2392313eda85b9cdb3f95",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABHklEQVQ4jd3TvS5FQRTF8d/IFUEiofMAXoAoJFqFhppCK0IiEYUoFSqfhUKjUGvc0ColItGhEC+Awnc7ct0jOQ5HzuVUdrczK/9Ze+2ZipKr8j+AkWb0BC5KAaIdvX4LjIzgOnCec96GqcBqIWCgGpmMxOyYCWzeN7AfRw5sJ9Caph99kWOMYyXw2nCGoQ7dwQJ2sYytPNgXYKRDPb+P6sJe4CY5X8Ra5CSlOUvHknX4hINU34nBTH+a0bykAZ+A4d2E+5Tj2mhDkSbcYgxLIaUpnGGkJdnmDLoxjAnMRg4DV428w1bMYTPwnDi8SybYiEzXth+4LOpwAOt52wxsRUYVBQaOci5Ka/b/8pcfUC0irBQRJdk9lgZspEoHvgEEnEmGIYprBgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "LED"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}