{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858255,-0.513223,0.000000,0.000000,0.262557,-0.439070,0.859233,0.000000,-0.440200,0.736139,0.514124,0.000000,-2810142.830458,4699356.134047,3260084.721319,1],    "boundingVolume": {    "region": [2.109650,0.539923,2.109815,0.540048,0.000000,95.756001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_338095.b3dm"}}}