{"layers": [
 {
  "layerType": "Feature Layer",
  "layerId": 0,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTWQYsBCuRGoYCQa+L++fj9VDWSgMmBhbGx0pKqBDFQGLKMGUgxYKDdiqBkIACXmBFFlaiduAAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "9c8795b7aeae8489ba4834f3b49e3439",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "EH Field Lines",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 1,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAArElEQVQ4jWNhoDJgGTWQYsAyPAycM2dOOYhmZGQ8mpycfIQiA+fMmVO+/r5aA4itKfju95w5c1pTUlI6yTJw7ty5NtffC1dvfajCAeJvfcjA4S1/p2HOnDkMuAxlwWfg////ra+/F2Il5AuKIgXkbVBYkmVgSkpKJ8h7moLvqmEu1RB405qcnHKEbBempKR0zp0796iGwBtrGJ9iLydDkgre5DLMcgopYPAbCAAFQTnNazqqMwAAAABJRU5ErkJggg==",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "e849cff19eaf4828a3abc029a92cd617",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "EH Field Points",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 2,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAZ0lEQVQ4jWPJz8/f////fwcGKgBGRsYDLCDDdE0lGMSkeCgy7NWzLwyXT79wYAFxQIZRaiAMgA2kJmAZNZBiwEK5Eahg1EDKAQsVzEABowZSDsAGggpHSgHMDBZQsQ0qaSl3G6QKAACxqhom999J8QAAAABJRU5ErkJggg==",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "793f87d37e3c86571442871c36c77988",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "EH Field Polygons",
  "minScale": 0
 }
]}