{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949041,-0.315154,0.000000,0.000000,0.176085,-0.530255,0.829351,0.000000,-0.260823,0.785431,0.561310,0.000000,-1665323.011778,5014880.921343,3559900.461021,1],    "boundingVolume": {    "region": [1.891346,0.595914,1.891484,0.596021,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1374110.b3dm"}}}