{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Historic Buildings",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "c9570f6e63c6ec4469e7439b43819716",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAmklEQVQ4je3TsQkCMRQG4K847ATBJdzARltBBMVGa3tXsHIFOwunEAfQIcQ17MTCIndwCBe8YHPiD2nyw0fgvWS+nOwPNg/sYosxWrhgg1sK2M6BXulugRH6VWgMXL9hRTr5q5d1wWGkG1QVMfCR0sXAI2YV3SkFPGAuTLicqzDp2uATU6wwEdbmjB3uKWCB7vPzUZr/9X4QfAFYMhSjUr0XaAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}