{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950373,-0.311113,0.000000,0.000000,0.173953,-0.531384,0.829078,0.000000,-0.257393,0.786273,0.561715,0.000000,-1643426.232881,5020262.603125,3562472.851277,1],    "boundingVolume": {    "region": [1.887084,0.596364,1.887236,0.596549,0.000000,8.765474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1398045.b3dm"}}}