{
 "layers": [
  {
   "layerId": 0,
   "layerName": "GEBCO 2019 TID",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "0 - Land",
     "url": "a9329f986516f2db5f75273dc59832dd",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAL0lEQVQ4jWNhoDJgoZ2BxT7/KTKpdwsjqoFUAqMGjho4auCogfQ2EFqeUc9AKgEAdCQEkyvPrKgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "10 - Singlebeam",
     "url": "e6ffcd652abec7a4d75b323bb8d87eed",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB//ft+0+JQYxOTowoBlILjBo4auCogaMG0tlAWHlGNQOpBQDdQgTX9TZBoQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "11 - Multibeam",
     "url": "c9bcc5d43eedce117e9a87b91037314d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBzxgY/lNikBQDAyOKgdQCowaOGjhq4KiBdDYQVp5RzUBqAQBpMAJs0IW6GwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "12 - Seismic",
     "url": "43e231928d3c1045e53daba4d535adb4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBz2Yw/KfEIKkMBkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgA1SgPUyKg4MAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "13 - Isolated Sounding",
     "url": "5a5a346262a16ba55d63a762188becee",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBz54x/KfEICkpBkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAaegOGbWfDCwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "14 - ENC Sounding",
     "url": "32364ea72730e5a3e869ab7c87faaa88",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBPs8Y/lNi0BYpBkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgBQBAQgY03acAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "15 - Lidar",
     "url": "bd0239787e6fa05ac6f26810b5c85014",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAL0lEQVQ4jWNhoDJgoZ2BK5/9p8ikcClGVAOpBEYNHDVw1MBRA+ltILQ8o56BVAIALT4Dw9OK/oMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "40 - Predicted based on satellite-derived gravity data",
     "url": "9df2632245743f5d23af8c1a09ffba60",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAL0lEQVQ4jWNhoDJgoZ2BMc/+U2TSEilGVAOpBEYNHDVw1MBRA+ltILQ8o56BVAIAR7YEEDCnXtIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "41 - Interpolated based on a computer algorithm",
     "url": "eb1930ef45264ddad561c489476ff114",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBKxme/afEoHAGKUYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAulQPDK5PmPQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "42 - Digital bathymetric contours from charts",
     "url": "4f378d45e48af0f51f904908bba5e173",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBzxhW/qfEICmGcEYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAuGwPDf0RyygAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "44 - Bathymetric sounding - grid",
     "url": "ef7eca435f78fbdc612b84efd7cbeda0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB/+vr/1NiEGNjIyOKgdQCowaOGjhq4KiBdDYQVp5RzUBqAQAIYgVVwAG0igAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "45 - Predicted helicopter/flight",
     "url": "06c2d6f4c4151f62ab8d0e71fec3a421",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB/y/X/6fEIEbdRkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgDrcwUBJ9dD1AAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "70 - Pre-generated grid",
     "url": "3d89d64434b640923cc21b82eb0e721b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBF/8X/6fEIH3GXkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgDwZQUPMc3U0wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "71 - Unknown source",
     "url": "51ab2eeca89b77afb52e062d73abdce7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBxZv+/6fEoF4/RkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgD79wUuDAKSSQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "72 - Steering points",
     "url": "3fae8a849864dc43f713257ef2983bda",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB/4vv/6fEIMZeRUYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgDr0wUBYVvZ1QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}