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 "layers": [
  {
   "layerId": 0,
   "layerName": "Terrestrial",
   "layerType": "Feature Layer",
   "minScale": 100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "10km Precision",
     "url": "d715752c2106d261c6c9ed9679ddab0c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA2UlEQVQ4je3TPUoDURQG0HNxxCaIJoOktUitja24B12Cha24AgsLK3s7K3UDbkEhlSuwSBNEBhQEMTHPRvAHZ5gRsQh+cJv38Q6vuC/zy8n+wT8CH1LHi5YFAxGTn4O3qSdzbGQDFIaKtKsdZ83BYVoy41LS+XDalZy6S3PyOGkGZvb5hL0nHLlJ55bjqT4Y1ks7Fs1bxVV9kFFFx+T7vuqFF5KVknYgd90MfHZg1hZ6X5oxtkWMm4HdeFSkNckhNtFCX7Inj37Zteo9bMc9dt6mVqblL08V+Aq00zGJ8uo4HwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "1km Precision",
     "url": "7bb057500100feb14e2f2d9539dafd15",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA10lEQVQ4je3ToUqDYRQG4OfAhmVFBmIVWZgIs1hFr0EvwWAVr8BgMNltJvUGvAWFpZUtiWFl1SCKGzsGBUXd+H8Rw/CFU87L96TzVfxyKv/gH4G9rEs1TX0R45+D3WzgVNp8hQ10c99KXJQHO7mAa9Q/bBdxrpdzmnFWDqw6/IS9J524y0tL8VQcZGNKN+/RGm6Kg2Eop5Bh+N16Mjh2JbQmtH0DnXLgyJGqHTS+NGHXVozKga14cJvrnh1L26ihbezAarQnPZt+h8txj723KZRZ+cszBb4AhJgzbttgxfIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "100m Precision",
     "url": "11fefbceb269d955e28cc3791c140792",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA10lEQVQ4je3TMUoDURQF0PMwIEgaiYgbSK2NbXAPugFBUDCNiH0sLKwkMCDaiJW6AbegkMo1pBGxsZAIifk2FiEww4yIRfDCb97ln+q9ml9O7R/8IzBLDdS96uvE+OdgNzXNucQGWPIsSwfacVsdPE/LPj2gMTFdwY0szWvHdTVw7HgKm8yZq3RnOz7Kg0krt2PRwBoey4MMC7rcvgi8x2pO1/fiqRo4cGLBlqQ51YyEHZ0YVQOP4t1FWjd0ik3UhR4O7Ucv71vxHu7GG/a+X6nMyi3PFPgFaSsw8FweGDMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "10m Precision",
     "url": "d92c75aec0af845f7ae638ec17093b8b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAyElEQVQ4je3TIUqEQRgG4Gdk1GKRBfECm7VYF++gRzBYxRMYDCa7zaRewCussMkzbLEaBOGf+cfghmVxxFExLH4w5X3h4QvzRb888R/8K7AMsIEpof8BWIbkK/L+LHginRBvvwGWLfIYg7lwGzekdeJ1I5jPFrD5uaTcEV5bNhwRauUm3S4eGsCVjlKv6T4KPwH7e8JOpZyy+tgIxnPSIWG4UCTKESE1guGFske+wIH3fzihP2VtUl2jDkJ4xvHsfWmW5paXCXwDVm0sbZitr30AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "1m Precision",
     "url": "bea2ce4f7d7fcbda81d85066745e34c3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA1ElEQVQ4je3TPUpDQRQG0POSiAivkQfBDaTWxlayB12Cha1YiBBkVCwCgr2dVXQDbkEhlWtIYysYEPIzKbQQSZ4ZFYvghSnmXuZ8U8zU/HLV/sG/Ao8KKjlLPcL4B2CrQfUKzbd9fCLsE26+AYY67onFh+YascPxMqfXiWA8QTF9Vrkk3BJeE0BbJWGrZBt4SACzAbEkbzSY1i274R3WZ4T1qD4mgi/n5DvExqfBELuEYSJ40edwk5U2cRs5WZfRAWfdWae+eIftZ+y9r7lqYf7yIoET+r8sCkcXmZYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Maritime",
   "layerType": "Feature Layer",
   "minScale": 100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "Obstruction",
     "url": "57ee1391637c2b8c9bc814005b9a7063",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABFUlEQVQ4je3Ur0sDcRjH8fdznAvOZtNgMFoEkwiCwQWLiDAEJ8a1S/4CEQ63U7ehQdOqlvMbDQYN4n/g32BecmnOfR+DCCJ32922JH7a8zzwep70uAw57j8YGUXljurYKvvNoYAhJ9sOOgPsDgxeU8sK74HCuOHsKs/B60BghtYeMAHQoR0AW32DhvKkhZ3vWpBNQ3Ce5/ClL9DCKTD6oyWKVoFcatBwPGeh8LuvsBxSym1w9JAKtDgXgERPpaLooyCaCLylvK6wGLcMmA0JCsBNT9DgZyxUumBfN0LpnkuzgtfqCnZwPYHpXiAw9UbTA2qxYJ36iNBYUOxzAhAH5p/w3SX8j0iwSLENrCXB4vJH3leafAL83EbDKCwE2AAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Wreck",
     "url": "fd932a79f9ba7cdf263b912ad9117e02",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABYAAAAUCAYAAACJfM0wAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABA0lEQVQ4jeXUsStFURwH8A9eSSaLv0CvDDL4J6RMSpksShm82T/Am1jlGWRVMsloYJAsIiWr5JUJg/Q8w7nqvtd9l3fvfZNvneF0fn36/c6pU9KjlP4VPIRLTOGjSHgRt0loHrgPFSx1KsgKT+MN50XDFWylFWSBxzGBg6LhVWzjsxt4Hcc461A/gnmh69S0w2Ws4Q417OMldr6MI9S7hS8wF3W0iQ0cYkeYYgUzv6Gd4HgGsRCtOl7xlAW+QgMDCbWj0XoUpqjhFM2/wO+4wWRKM/EpHrCLPTwnwWVcR/v+FLQ9Y6gKb/EVdT+Lkx/4HsPCH5AnTeEqW66ikRNtSc8++m9rljGO29d6xQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 22,
     "values": [
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    },
    {
     "label": "Casualty",
     "url": "436449adb8695afc55f3cc613204a97a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABYAAAAUCAYAAACJfM0wAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABE0lEQVQ4jeXUvyuFYRjG8c/DKclk8RdIGWTwT0iZlDJZlDI4s38AE6scg6xKJhkNDJJFpGSVnDJhkHgM7yun45z3OK/3TK666/lx9e2676eekg6p9H/AkV6cYSzwWhgYs7hqBM0NjgSUMdfMkzfxOJ4DJ0WDy1jPMrQNjgxjBLuFgrGIjcDbr8GRZRwEjhuZI/2YlqTOVH3iISxFrlHBTuCx5n4e+4Fqu+BTTKWJ1rAS2cOmpIsFTLSCNgPXqgczaVXxhPs84HO8o7uBdyCtu7SLCo4CsSU48BK5xGhGmNoubiNb2A48/ADH5NEu0n1XBrReg1iVvMVHgjIZOCylSW8ifcnyT4ohGeX3KL4OilLHPvpPDgM+jzBHEdgAAAAASUVORK5CYII=",
     "contentType": "image/png",
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     "width": 22,
     "values": [
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}