{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897871,-0.440258,0.000000,0.000000,0.282640,-0.576423,0.766715,0.000000,-0.336615,0.686501,0.644521,0.000000,-2149970.474629,4384695.312408,4089012.232681,1],    "boundingVolume": {    "region": [2.026619,0.700362,2.026746,0.700431,0.000000,15.447169]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_852737.b3dm"}}}