{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858220,-0.513282,0.000000,0.000000,0.262549,-0.438988,0.859277,0.000000,-0.440274,0.736147,0.514049,0.000000,-2810612.050280,4699406.307813,3259611.059881,1],    "boundingVolume": {    "region": [2.109719,0.539836,2.109884,0.539961,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_324465.b3dm"}}}