{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943749,-0.330662,0.000000,0.000000,0.183839,-0.524699,0.831201,0.000000,-0.274274,0.782810,0.558553,0.000000,-1751186.784734,4998093.746968,3542381.260299,1],    "boundingVolume": {    "region": [1.907747,0.592550,1.907856,0.592731,0.000000,8.053803]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1246365.b3dm"}}}