{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858215,-0.513291,0.000000,0.000000,0.262566,-0.439007,0.859262,0.000000,-0.440273,0.736130,0.514074,0.000000,-2810609.182868,4699298.918251,3259767.298168,1],    "boundingVolume": {    "region": [2.109729,0.539865,2.109893,0.539990,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_328337.b3dm"}}}