{"asset":{"generatetool":"mars3d2@www.mars3d.com/osgb2tiles3","gltfUpAxis":"Z","version":"1.0"},"geometricError":16.8422468991694,"root":{"boundingVolume":{"box":[224.907093048096,819.803314208984,1903.96130371094,194.081035614014,0,0,0,173.609283447266,0,0,0,69.3516845703125]},"children":[{"boundingVolume":{"box":[225.334192276001,819.803314208984,1906.71081542969,192.582311630249,0,0,0,171.890350341797,0,0,0,67.219482421875]},"content":{"uri":"3_2_4_0.json"},"geometricError":16.6715394308474}],"content":{"uri":"2_1_2_0.b3dm"},"geometricError":16.8422468991694}}