{
 "layers": [
  {
   "layerId": 0,
   "layerName": "2 ft topo lines ",
   "layerType": "Feature Layer",
   "minScale": 3000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "067eecaa858db149a316240846b0f6b8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVQ4jWNhoDJgGTWQYsBCuRGoYCQb+P////1Q5kFGRsYGqBiItgexGRkZHaFiDgwMDPVQtY2MjIwH6ONCRqgLkAHMpWhiIBcdIGggtQAL1UyCglEDKQeDPwwBGlYQm2bZkbQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "10 ft topo lines ",
   "layerType": "Feature Layer",
   "minScale": 10000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "912f64e8f28b8eee19119f6a65520b3f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTWQYsBCuRGoYCQb+H/fi/+UGMToJMGIYiC1AAu6DVQzkFqAhWomQcGogZSDwR+GAL5IBK0NDrLNAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "100 ft topo lines ",
   "layerType": "Feature Layer",
   "minScale": 30000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "68fd9aa2d32a0867bd463ee330b481ca",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWNhoDJgGTWQYsAygg18Pp3BgRKDJDMZDqAY+J+RYT+FjmNEMZBagAVu/H8GR6oaKAkNA6oZSC3AQjWToGDUQMoB1cMQALEmB5TlrX1vAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}