{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858220,-0.513282,0.000000,0.000000,0.262550,-0.438990,0.859276,0.000000,-0.440273,0.736147,0.514050,0.000000,-2810607.228955,4699403.522279,3259619.178284,1],    "boundingVolume": {    "region": [2.109719,0.539838,2.109883,0.539963,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_324484.b3dm"}}}