{ "layers": [ { "layerId": 0, "layerName": "USGS Topo Map", "layerType": "Raster Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "Red: Band_1", "url": "33993fa5029e47468e3766bc11948b1a", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4je3UsQ0AMAwCwSAxuDcnjZvU4Cr+AU5U8ITjGCipHAhAzS5MxZjULejHgPG0oB8/BtF/FgNTXdt9BNQaIBUUAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 }, { "label": "Green: Band_2", "url": "33993fa5029e47468e3766bc11948b1a", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4je3UsQ0AMAwCwSAxuDcnjZvU4Cr+AU5U8ITjGCipHAhAzS5MxZjULejHgPG0oB8/BtF/FgNTXdt9BNQaIBUUAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 }, { "label": "Blue: Band_3", "url": "33993fa5029e47468e3766bc11948b1a", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4je3UsQ0AMAwCwSAxuDcnjZvU4Cr+AU5U8ITjGCipHAhAzS5MxZjULejHgPG0oB8/BtF/FgNTXdt9BNQaIBUUAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "RGB" } ] } ] }