{"layers": [{
 "layerType": "Feature Layer",
 "layerId": 0,
 "maxScale": 0,
 "legend": [{
  "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAWElEQVQ4je3VMQ6AQAhE0SGZs3kge6PE3gN5OQybuMnWQ8lvoHol0N0vMztRUEQ4q7AsLY4NwLFvULqfd8wJVsUG5agTaw3qscBYalBvgv89k8E825Uv4APLtROh0lLErgAAAABJRU5ErkJggg==",
  "groupId": "0",
  "width": 20,
  "label": "",
  "contentType": "image/png",
  "url": "504297b08d3d0fc073beef551d17538c",
  "height": 20
 }],
 "legendGroups": [{
  "heading": "",
  "id": "0"
 }],
 "layerName": "building footprints",
 "minScale": 4514
}]}