{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891190,-0.453630,0.000000,0.000000,0.292036,-0.573726,0.765215,0.000000,-0.346156,0.680049,0.646305,0.000000,-2210923.181822,4343521.771176,4100360.718565,1],    "boundingVolume": {    "region": [2.041583,0.702689,2.041679,0.702775,0.000000,6.600701]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1879145.b3dm"}}}