{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950341,-0.311211,0.000000,0.000000,0.174180,-0.531891,0.828706,0.000000,-0.257358,0.785890,0.562266,0.000000,-1643202.896715,5017829.234410,3565978.797550,1],    "boundingVolume": {    "region": [1.887214,0.597074,1.887312,0.597173,0.000000,8.793415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1385452.b3dm"}}}