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     "values": [
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     "label": "Charles County",
     "url": "e6e5453763408dab3ee9f132f4342c15",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWMpcOn8z0BFwAIiTp8/SRXDTA3NIQZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBiaGppTzUQAKAEGKlTrWwIAAAAASUVORK5CYII=",
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     "groupId": "0",
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     "width": 20,
     "values": [
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     "label": "District of Columbia",
     "url": "ab2f728e906f69dda8b8e2a0969fd2e6",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWMpcOn8z0BFwAIi9h7ZQxXDnG1cIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBg627hQzUQAKHQGUCYXtwUAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Fairfax city",
     "url": "6d7f6aaa43b08c684e2cfe97d9f50a81",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWPxYSj+z0BFwAIi7NLlqGLYoZmPIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBgemvmIaiYCABAsB0w5o0S+AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Fairfax County",
     "url": "382935175d6f11ca4cbd87d7499a76e3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPxYSj+z0BFwAIiBA1+U8Ww9xdYIQZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBi+v8BKNRMBD8sG0+c3LFcAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Falls Church city",
     "url": "a44518f2e36a8979afd721378322eea5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPxYSj+z0BFwAIiPErUqGLYjp5bEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgx39NyimokAD80HLQGlcK4AAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Fauquier County",
     "url": "b3b838342273aae3b98528cb8a3a3671",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWPxYSj+z0BFwAIipK2ZqGLY06P/IAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBg+PfqPaiYCABF0B7fLTvrcAAAAAElFTkSuQmCC",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Frederick County",
     "url": "423bda7dae79e442d29d5dff39985048",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPxYSj+z0BFwAIifkg+o4phHM+lIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBhyPJeimokADJ4GGD4a8IwAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Loundoun County",
     "url": "39e90732164d5fa8011bb72b1ff2cd83",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWPxYSj+z0BFwAIiVFy5qGLYnd3fIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBje2f2NaiYCABEiB5xtUiYRAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Manassas city",
     "url": "8b43d436d5b4faa2c0625e4eb913f91f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPxYSj+z0BFwAIiApv0qGLY+rpLEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgzX112imokAD28HDg6ZQQgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Manassass Park",
     "url": "fbbac9e80f0fafe74c9a76bcfe5be13f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPxYSj+z0BFwAIioiaaUsWwZfmnIQZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBguyz9NNRMBDxAG7zAuaBgAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Montgomery County",
     "url": "64046363b35a669a7e7023aaad12b466",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWMpcOn8z0BFwAIi7t69QRXDlJU1IAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBgqK2tQzUQAJ3EF+zY8YeoAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Prince George's County",
     "url": "78e97b7fb36701f2a17e2ea8e673bfbc",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWMpcOn8z0BFwAIiHj+5SxXDZGWUIQZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBjKyihTzUQAJzoF6c4HgmcAAAAASUVORK5CYII=",
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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Prince William County",
     "url": "59e901e0847ac3ecfad718eca4218704",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWPxYSj+z0BFwAIi9AKEqGLYpQ3vIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBhe2vCOaiYCABDJB39ok2zaAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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   "legendGroups": [
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  },
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   "layerId": 12,
   "layerName": "Household Size by TAZ",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Total One person Households",
     "url": "6feb93b071d229788c1ef653c6655fd9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNhoDJgGTWQYsAyPAy0WMHwH8Y+EcHASJGBFkiGwfj4DGUhxTBiDGVhoDJgoauBJyIYGLF5m+wwxGYoxbFMjCHDKFLIAYPfQADtRBZypMwEuwAAAABJRU5ErkJggg==",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNhoDJgGTWQYsAyPAzc8IDhP4wdoMDASJGBG5AMg/HxGcpCimHEGMrCQGXAQlcDAxQYGLF5m+wwxGYoxbFMjCHDKFLIAYPfQACaGxXCq+7uMwAAAABJRU5ErkJggg==",
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     "groupId": "0",
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   "legendGroups": [
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