{ "layers": [ { "layerId": 0, "layerName": "HUC4", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "80ceca7ce8575d77205801dfea30d937", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiYkr6qGLYkp4iiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4ZLeoqoZiIAfYcHPGBf+V0AAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }