{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896314,-0.443420,0.000000,0.000000,0.283785,-0.573635,0.768381,0.000000,-0.339775,0.686811,0.642529,0.000000,-2170134.890955,4386640.413662,4076339.642006,1],    "boundingVolume": {    "region": [2.030140,0.697734,2.030273,0.697854,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_540128.b3dm"}}}