{ "layers": [ { "layerId": 0, "layerName": "พื้นที่บริการบำบัดน้ำเสียปัจจุบัน", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "b9b3a1883a9fadbe30b6666837e21a7e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAnUlEQVQ4ja2U0Q3AIAhEMWEP5nD/D+dgkjZqbEUloYX7aJr28hT0QAC4IFBYH1wIKHN9TeMHFzouRJkfz+qjzB0YARtqwCjYDHTDqFf5AgNgqR4wBsCSWrIXpgK/9Gz2PNfG0bPNg5EwATyVID4YA4BROxvaeuiBmZJijRx1X7/YQbAmNSmWQzInhX6OsyPQMxvXATtLTGFFYqHhuwFRhJZmJueBWQAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }