{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897684,-0.440641,0.000000,0.000000,0.285469,-0.581564,0.761769,0.000000,-0.334717,0.681895,0.650372,0.000000,-2137903.054418,4355388.439120,4126238.967608,1],    "boundingVolume": {    "region": [2.027033,0.707960,2.027184,0.708188,0.000000,17.920391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1796952.b3dm"}}}