{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950685,-0.310157,0.000000,0.000000,0.173543,-0.531941,0.828808,0.000000,-0.256518,0.786272,0.562116,0.000000,-1637838.227446,5020265.536901,3565024.057977,1],    "boundingVolume": {    "region": [1.886072,0.596857,1.886237,0.597027,0.000000,8.098676]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1326773.b3dm"}}}