{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950232,-0.311542,0.000000,0.000000,0.173718,-0.529855,0.830106,0.000000,-0.258071,0.787140,0.560187,0.000000,-1647742.351619,5025769.217046,3552767.026942,1],    "boundingVolume": {    "region": [1.887530,0.594546,1.887694,0.594678,0.000000,8.779702]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1458652.b3dm"}}}