{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894778,-0.446512,0.000000,0.000000,0.284635,-0.570388,0.770480,0.000000,-0.343087,0.687522,0.640004,0.000000,-2191261.538980,4391134.502789,4060275.359993,1],    "boundingVolume": {    "region": [2.033592,0.694441,2.033726,0.694565,0.000000,42.910536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1137724.b3dm"}}}