{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950469,-0.310820,0.000000,0.000000,0.173802,-0.531476,0.829051,0.000000,-0.257143,0.786327,0.561754,0.000000,-1641826.492552,5020604.808184,3562726.505249,1],    "boundingVolume": {    "region": [1.886803,0.596456,1.886901,0.596554,0.000000,13.795383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1389896.b3dm"}}}