{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Building Footprints 2017",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "68e324b4cc0c82222ec6f9fe964e53ee",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC607OQn27Dj5R8ZGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgAHrAz6S4NXLgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Building Footprints 2016",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "<all other values>",
     "url": "ccaaa7ed2f0256dbfbb2d4194aaab5e2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC7s7OQn27Dy8o8MDAy09PKogaMGjho4aiBOA2FFEDlgypQpjCgGwgQoBQDrzQyqcRazMAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Building Footprints 2013",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "<all other values>",
     "url": "b63c30d5dc78fd05dadcdc2667b8c924",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC7sNOcn27Dykx8ZGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgAIDAz8xnyNOgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 4,
   "layerName": "Building Footprints 2012",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "<all other values>",
     "url": "c90bd45ecc36636943d3154e86643cc1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC7s5Ocn27Dyjx8ZGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgAVzA0kZGEdoAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 5,
   "layerName": "Building Footprints 2010",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "<all other values>",
     "url": "dbdffea2fc9eea9da79eaf0abfca4d50",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC6M4+8k27BFH8sZGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgD7OgzVBXN3+wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}