{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950154,-0.311780,0.000000,0.000000,0.173925,-0.530041,0.829944,0.000000,-0.258217,0.786921,0.560428,0.000000,-1648678.153245,5024372.111166,3554298.315823,1],    "boundingVolume": {    "region": [1.887780,0.594837,1.887944,0.594968,0.000000,8.809282]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1452215.b3dm"}}}