{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896508,-0.443028,0.000000,0.000000,0.282979,-0.572635,0.769423,0.000000,-0.339940,0.687899,0.641277,0.000000,-2171172.502364,4393563.825411,4068376.631731,1],    "boundingVolume": {    "region": [2.029679,0.696105,2.029861,0.696218,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_507749.b3dm"}}}