{ "layers": [ { "layerId": 0, "layerName": "River X-Section(2021)", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "9d8a5b99b8be40a6d67f5691dac4be76", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUOI1jYaAyYBk1cNTAYWvgMm2G/9QwLOoqAyMLjEENAxkYhkwYjho4zA0EAIFHBIGvJB7qAAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }