{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949044,-0.315145,0.000000,0.000000,0.176088,-0.530280,0.829335,0.000000,-0.260811,0.785419,0.561334,0.000000,-1665242.945004,5014799.786222,3560051.191573,1],    "boundingVolume": {    "region": [1.891337,0.595943,1.891474,0.596049,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373842.b3dm"}}}