{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895731,-0.444596,0.000000,0.000000,0.284071,-0.572320,0.769255,0.000000,-0.341068,0.687151,0.641480,0.000000,-2178378.700630,4388793.585806,4069664.361006,1],    "boundingVolume": {    "region": [2.031459,0.696366,2.031581,0.696484,0.000000,45.032724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_662449.b3dm"}}}