{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Hydrographic Survey Boundary",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "8bec8dfbe4d9402587bcdbce92826476",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAaUlEQVQ4je3UsQ2AMAxE0SPyEmzDGkyDmAaxBdPAFnF0CU3qc+lfRKle4eLsxe0IzPg4cBbUR4EqyrYARweJrdgl8MMFRxlgZJagnOnEXIJ6FmBMJajXb8hx5J4p/QM7QC4tx1EBifHTAH4PE+9h9E+kAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Hydrographic Survey Footprints",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "9efe9dca488fd65a0aa6f94bba1026bd",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWPxe8aQ9p+RQYmBCoDxP8M9FpBhmyUZKqhhoO9zhg4WBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIQ8b/DPdAJS01DAOZBQDyoA6FYxmuAAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}