{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949146,-0.314835,0.000000,0.000000,0.116078,-0.349945,0.929551,0.000000,-0.292386,0.881470,0.370838,0.000000,-1865739.217209,5624726.339362,2350503.678917,1],    "boundingVolume": {    "region": [1.891025,0.379854,1.891133,0.379969,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_554.b3dm"}}}