{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950633,-0.310319,0.000000,0.000000,0.173615,-0.531852,0.828850,0.000000,-0.256665,0.786269,0.562054,0.000000,-1638777.749859,5020241.513610,3564628.771618,1],    "boundingVolume": {    "region": [1.886242,0.596782,1.886407,0.596951,0.000000,8.802436]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396214.b3dm"}}}