{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949313,-0.314332,0.000000,0.000000,0.175604,-0.530341,0.829399,0.000000,-0.260158,0.785703,0.561239,0.000000,-1661075.098719,5016610.846179,3559450.715319,1],    "boundingVolume": {    "region": [1.890480,0.595829,1.890618,0.595935,0.000000,8.276795]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1361891.b3dm"}}}