{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949848,-0.312711,0.000000,0.000000,0.174789,-0.530916,0.829202,0.000000,-0.258755,0.785958,0.561530,0.000000,-1652117.601363,5018245.743597,3561302.079437,1],    "boundingVolume": {    "region": [1.888757,0.596132,1.888928,0.596337,0.000000,18.001226]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1438117.b3dm"}}}