{"layers": [{
 "layerType": "Feature Layer",
 "layerId": 0,
 "maxScale": 0,
 "legend": [{
  "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTWQYsBCuRGoYCQa2O9hs5+qBjJQGbAU7jjiSFUDGagMWEYNpBiwUG7EUDMQAJHDBFFv8Wf6AAAAAElFTkSuQmCC",
  "groupId": "0",
  "width": 20,
  "label": "",
  "contentType": "image/png",
  "url": "1dd0c2b826915d24392e8d32f1962db4",
  "height": 20
 }],
 "legendGroups": [{
  "heading": "",
  "id": "0"
 }],
 "layerName": "USA_InterstateHwy_Project",
 "minScale": 0
}]}