{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950087,-0.311985,0.000000,0.000000,0.174459,-0.531280,0.829039,0.000000,-0.258103,0.785999,0.561772,0.000000,-1647957.859362,5018513.675896,3562841.127102,1],    "boundingVolume": {    "region": [1.888009,0.596422,1.888147,0.596631,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398468.b3dm"}}}