{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950468,-0.310822,0.000000,0.000000,0.173797,-0.531457,0.829065,0.000000,-0.257149,0.786339,0.561735,0.000000,-1641864.972970,5020681.588012,3562601.413600,1],    "boundingVolume": {    "region": [1.886806,0.596432,1.886903,0.596531,0.000000,13.795383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1389569.b3dm"}}}