{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Census2018BlOCKGROUPS_TOWN",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "BOSTON",
     "url": "8cf03f30953b95bd02d7568e800fed09",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAV0lEQVQ4jWPx8/P7z0BFwAJjSEpKUmTQ8+fPEQaCDPP29qbIwK1bt4INhbuQWoBl1ECKAQvlRqCCUQMpByxUMAMFjBpIOQCHIagcA5VnlACUAhZZgFIAAKrkFXilMn4aAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "BOSTON"
     ]
    },
    {
     "label": "BROOKLINE; CAMBRIDGE; CANTON; CHELSEA; DEDHAM; EVERETT; MILTON; NEEDHAM; NEWTON; QUINCY; REVERE; SOMERVILLE; WATERTOWN; WINTHROP",
     "url": "09b86cfd42ab9623844ad09da18b07f8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUklEQVQ4je3UoREAQQhDUUQkBVA8BVIAfm/gZsXqIPkC+QQicPcjg6GOmYmqUlBmSkT8YGEseGtwMixIB554W5APA8bTgnz9wxpHtms0WEs71QdvwhHcUZGYDAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "BROOKLINE",
      "CAMBRIDGE",
      "CANTON",
      "CHELSEA",
      "DEDHAM",
      "EVERETT",
      "MILTON",
      "NEEDHAM",
      "NEWTON",
      "QUINCY",
      "REVERE",
      "SOMERVILLE",
      "WATERTOWN",
      "WINTHROP"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "CITY"
    }
   ]
  }
 ]
}