{ "layers": [ { "layerId": 0, "layerName": "เส้นชั้นความสูง 20 เมตร ตำบลแม่ศึก", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "2082871eb9887982f4a0da32b16af150", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPUlEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKoXh9evz/lPBLAZNzSRGFhiDgUqAhVoGwcCogZQDFiqYMcQMBABrCQUGvzkJ9gAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }