{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311612,0.000000,0.000000,0.174295,-0.531483,0.828944,0.000000,-0.257764,0.786009,0.561914,0.000000,-1645796.140808,5018578.890124,3563742.305726,1],    "boundingVolume": {    "region": [1.887610,0.596606,1.887762,0.596791,0.000000,8.567674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400001.b3dm"}}}