{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Building Footprint",
   "layerType": "Feature Layer",
   "minScale": 32000,
   "maxScale": 0,
   "legend": [
    {
     "label": "Calculated Floor Level",
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     "contentType": "image/png",
     "height": 20,
     "width": 20
    },
    {
     "label": "Unknown Floor Level",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZge9vHP1PiUGCGtaMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUA14EExu045PsAAAAASUVORK5CYII=",
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}