{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896541,-0.442960,0.000000,0.000000,0.283483,-0.573763,0.768396,0.000000,-0.339430,0.686999,0.642510,0.000000,-2167930.588129,4387841.422885,4076220.747936,1],    "boundingVolume": {    "region": [2.029610,0.697695,2.029778,0.697844,0.000000,18.210640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_503110.b3dm"}}}