{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857976,-0.513690,0.000000,0.000000,0.262907,-0.439113,0.859104,0.000000,-0.440534,0.735788,0.514340,0.000000,-2812276.675323,4697120.015591,3261457.696801,1],    "boundingVolume": {    "region": [2.110195,0.540175,2.110359,0.540300,0.000000,14.037033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_380045.b3dm"}}}