{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950216,-0.311592,0.000000,0.000000,0.173887,-0.530278,0.829800,0.000000,-0.258017,0.786834,0.560642,0.000000,-1647399.467531,5023825.177377,3555654.912826,1],    "boundingVolume": {    "region": [1.887615,0.595102,1.887714,0.595219,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453778.b3dm"}}}