我想从法国天然气输送网络（运营商GRTgaz）的this map中提取基础数据，可能是WMS或WMTS服务。
可悲的是，它被混淆为SVG图块。有机会获取数据吗？
<svg overflow="hidden" width="1917" height="1048" id="map_gc" style="overflow: visible; position: absolute;"><g id="Carte_AGOL_generalise_7504_layer" data-geometry-type="point" transform="matrix(1.00000000,0.00000000,0.00000000,1.00000000,0.00000000,0.00000000)"><g></g><image fill-opacity="0" stroke="none" stroke-opacity="0" stroke-width="1" stroke-linecap="butt" stroke-linejoin="miter" stroke-miterlimit="4" x="1093" y="278" width="16" height="16" preserveAspectRatio="none" xlink:href="data:image/png;base64,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" opacity="1" transform="matrix(1.00000000,0.00000000,0.00000000,1.00000000,0.00000000,0.00000000)"></image> ....