{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894743,-0.446582,0.000000,0.000000,0.284544,-0.570094,0.770732,0.000000,-0.343254,0.687722,0.639700,0.000000,-2192324.787750,4392404.702681,4058340.078812,1],    "boundingVolume": {    "region": [2.033671,0.694045,2.033804,0.694170,0.000000,88.955427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1167334.b3dm"}}}