{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858262,-0.513212,0.000000,0.000000,0.262596,-0.439149,0.859181,0.000000,-0.440163,0.736100,0.514211,0.000000,-2809908.127291,4699107.597976,3260641.474295,1],    "boundingVolume": {    "region": [2.109637,0.540025,2.109801,0.540150,0.000000,89.490900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_352709.b3dm"}}}