{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950019,-0.312192,0.000000,0.000000,0.174479,-0.530948,0.829248,0.000000,-0.258340,0.786142,0.561463,0.000000,-1649467.150000,5019421.339143,3560876.769690,1],    "boundingVolume": {    "region": [1.888211,0.596051,1.888382,0.596256,0.000000,26.760285]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1434969.b3dm"}}}