{
  "id" : 4,
  "name" : "High Value Area",
  "parentLayerId" : -1,
  "defaultVisibility" : true,
  "subLayerIds" : [ 5, 6, 7 ],
  "minScale" : 0,
  "maxScale" : 0,
  "type" : "Group Layer",
  "supportsDynamicLegends" : false
}