{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949171,-0.314761,0.000000,0.000000,0.116047,-0.349945,0.929555,0.000000,-0.292319,0.881497,0.370828,0.000000,-1865306.472813,5624895.274522,2350443.275383,1],    "boundingVolume": {    "region": [1.890947,0.379843,1.891055,0.379959,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_390.b3dm"}}}