{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898824,-0.438309,0.000000,0.000000,0.283086,-0.580514,0.763456,0.000000,-0.333690,0.684286,0.648386,0.000000,-2131321.755597,4370622.231829,4113601.416948,1],    "boundingVolume": {    "region": [2.024430,0.705403,2.024596,0.705522,0.000000,21.631186]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1827723.b3dm"}}}