{
 "layers": [
  {
   "layerId": 0,
   "layerName": "O3_Chronic",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "High : 107.413 - Low : 0.316345",
     "url": "7f005d5d7bd611957a75af3acacd86d1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAtklEQVRYheXV2w2DMAxGYac4plt0/3U6Rx8qcUniBNIlzoOlMsCn8xsktL1fU8BHl4F6oslRTzQNGuw3C0qHbyh84Q2Djk+eMOj4ZIHBnmDQabA9YNANBtuTBo0GFQZrjg4WevJJv5SDLjxy9MkFn6wwuIf/DoUuFLzQaFDD39DCF+b/u6EFnzxpcNCTL7rQ6UIPX1jpwkaDlZ5cElxYZg5eeCoM7isMbvRvdLtg8LvAkz/GFv4Av9o8XUTAQDUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}