{
 "layers": [
  {
   "layerId": 0,
   "layerName": "I15_Provo_Traffic_data",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "C",
     "url": "392a47ba2ac07a7dc06f5c8b28a9937f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUklEQVQ4je2SwQ2AMAwDL5IHK5NBN8tmQSA6Qf2oVPzz52QnFmbpBy58wyraLCyCVBUXcE5H4w2VcsE+tU13mE93E68rgsM1GUblYfZ5ilXrA2957Q9R0SceaQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "C"
     ]
    },
    {
     "label": "D",
     "url": "f051a98d489e7142449c82279209902e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAVklEQVQ4jWNhoDJgGTVwEIfhcgYGB0oNi2RgOMCynIGhgZGBoZ5ipzEwMKwAGUgtw6DAYYSmwwMgv1PDsP8MDI0sEQwMjtRKMgwwL8M4IydSqAoGv4EAwMIMUrH5l+EAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "D"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Existing LOS"
    }
   ]
  }
 ]
}