{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858276,-0.513188,0.000000,0.000000,0.262521,-0.439050,0.859255,0.000000,-0.440181,0.736176,0.514087,0.000000,-2810021.853520,4699590.917918,3259852.113268,1],    "boundingVolume": {    "region": [2.109609,0.539880,2.109774,0.540005,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_330450.b3dm"}}}