{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950474,-0.310803,0.000000,0.000000,0.173798,-0.531498,0.829038,0.000000,-0.257124,0.786319,0.561774,0.000000,-1641708.565320,5020554.014056,3562851.581918,1],    "boundingVolume": {    "region": [1.886785,0.596479,1.886883,0.596578,0.000000,13.795383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1390331.b3dm"}}}