{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949124,-0.314904,0.000000,0.000000,0.176116,-0.530814,0.828987,0.000000,-0.260501,0.785152,0.561850,0.000000,-1663269.325694,5013108.761604,3563331.818195,1],    "boundingVolume": {    "region": [1.891101,0.596609,1.891203,0.596631,0.000000,8.449129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/10_1420815.b3dm"}}}