{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897803,-0.440398,0.000000,0.000000,0.282853,-0.576629,0.766481,0.000000,-0.336619,0.686237,0.644799,0.000000,-2149997.720209,4383019.824315,4090781.896983,1],    "boundingVolume": {    "region": [2.026775,0.700726,2.026902,0.700795,0.000000,33.870577]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_859519.b3dm"}}}