{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891163,-0.453684,0.000000,0.000000,0.292026,-0.573621,0.765297,0.000000,-0.346234,0.680101,0.646208,0.000000,-2211422.325613,4343853.220169,4099744.536843,1],    "boundingVolume": {    "region": [2.041644,0.702562,2.041739,0.702648,0.000000,8.538198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045416.b3dm"}}}