{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898422,-0.439132,0.000000,0.000000,0.283615,-0.580248,0.763462,0.000000,-0.334319,0.683985,0.648379,0.000000,-2135341.049236,4368701.585640,4113557.490955,1],    "boundingVolume": {    "region": [2.025363,0.705342,2.025495,0.705564,0.000000,20.869209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831825.b3dm"}}}