{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Chesapeake Bay Bathymetry",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "High : 1.577 - Low : -52.933",
     "url": "61aa73adac6fe4dfbd7a5af43815de6e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAp0lEQVRYheWVsREDQQgD8Zv+e3JFDhz9geCb2EAzvgJ2BNKJ/Hx/G+BLCeVFdqO8SAkHLgtsWmHTCoUrbPcdyt5l+ZsyfxfsoncovhyCBRZtSuEjD36k1nzkY19fN63wtg920MCBGzZfBQPftMILDmIGDRx6h9v2wHLP4dIuCz7M2fTIF25KuwMDvqPJK2y6bQ79Uw5uypgr3HI/AUHHZgUr1MDAgYEPod+W3osCHTYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}