{
 "layers": [
  {
   "layerId": 0,
   "layerName": "US National Grid - 100000m",
   "layerType": "Feature Layer",
   "minScale": 5000000,
   "maxScale": 750000,
   "legend": [
    {
     "label": "100000m",
     "url": "5724ab72f66cc15f4fea1c084301e868",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNZlXb2PwMVAQs1DUMxMGyWMSMDBWAV1Ke0cyG1AAvVTIKCUQMpByxUMAMFjBpIOWAZwQauolLJTXUXAgC6aAoJtMtM6wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "100000m"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "USNG Grid Type"
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "US National Grid - 10000m",
   "layerType": "Feature Layer",
   "minScale": 749999,
   "maxScale": 25000,
   "legend": [
    {
     "label": "10000m",
     "url": "dd65397fe9ada213c0ed82ea47be6b8b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWM5m5b2n4GKgAVEGM+axUgNw86mpf0HG0hNwDJqIMWAhXIjUMGogZQDFiqYgQJGDRwxYXiWitUAAG3NCYGNbZ63AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "10000m"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "USNG Grid Type"
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "US National Grid - 1000m",
   "layerType": "Feature Layer",
   "minScale": 49999,
   "maxScale": 950,
   "legend": [
    {
     "label": "1000m",
     "url": "b9fec173b32cb61af55eab69855c40cb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4je3VoREAMAhD0XCXGTskS6ZHHZq48gXyiRiohGCMdeIgHJgSeqAzLjiOc6K34DwajNaC32wo4xu41/MIofQ3iakAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1000m"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "USNG Grid Type"
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "US National Grid - 100m",
   "layerType": "Feature Layer",
   "minScale": 9000,
   "maxScale": 0,
   "legend": [
    {
     "label": "100m",
     "url": "9e0bb88229a776f375a4f6408c5bd204",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4je3VIRIAMAgDwTCT/3/5Oq1DE1dOIFfEYBAK5nuqVAkMxAOTecFxnhO9Bec5YLQW/GZDgm/gAPJKCUuuOj7rAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "100m"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "USNG Grid Type"
    }
   ]
  }
 ]
}