{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858198,-0.513319,0.000000,0.000000,0.262492,-0.438850,0.859365,0.000000,-0.440351,0.736204,0.513901,0.000000,-2811103.313428,4699768.954922,3258670.778534,1],    "boundingVolume": {    "region": [2.109762,0.539664,2.109927,0.539789,0.000000,26.520100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_300186.b3dm"}}}