{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949111,-0.314942,0.000000,0.000000,0.175975,-0.530321,0.829332,0.000000,-0.260642,0.785472,0.561337,0.000000,-1664165.387983,5015140.293417,3560075.237034,1],    "boundingVolume": {    "region": [1.891123,0.595948,1.891260,0.596054,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1445001.b3dm"}}}