{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897630,-0.440749,0.000000,0.000000,0.285861,-0.582186,0.761146,0.000000,-0.334524,0.681292,0.651102,0.000000,-2136675.375579,4351555.286862,4130885.172969,1],    "boundingVolume": {    "region": [2.027154,0.708922,2.027305,0.709150,0.000000,12.100326]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1790918.b3dm"}}}