{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894793,-0.446482,0.000000,0.000000,0.284501,-0.570166,0.770694,0.000000,-0.343160,0.687726,0.639745,0.000000,-2191727.827864,4392430.926353,4058632.152647,1],    "boundingVolume": {    "region": [2.033559,0.694105,2.033693,0.694229,0.000000,56.210722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1167426.b3dm"}}}