{"asset":{"generatetool":"mars3d@mars3d.cn/osgb2tiles3","gltfUpAxis":"Z","version":"1.0"},"root":{"boundingVolume":{"box":[-48.4946002960205,50.2912664413452,433.16015625,29.1465129852295,0,0,0,30.0812005996704,0,0,0,9.56658935546875]},"content":{"uri":"Tile_+002_+005_L17_00.b3dm"},"geometricError":0,"pixel":85,"radius":42.9300079345703}}