{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944294,-0.329103,0.000000,0.000000,0.183993,-0.527929,0.829118,0.000000,-0.272291,0.781282,0.561655,0.000000,-1738543.085696,4988393.270981,3562094.591539,1],    "boundingVolume": {    "region": [1.906093,0.596347,1.906207,0.596422,0.000000,8.749160]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191871.b3dm"}}}