{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898040,-0.439914,0.000000,0.000000,0.281308,-0.574262,0.768823,0.000000,-0.337285,0.688533,0.641998,0.000000,-2154221.726800,4397627.623004,4072963.284741,1],    "boundingVolume": {    "region": [2.026253,0.697073,2.026346,0.697130,0.000000,41.155348]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_391093.b3dm"}}}