{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871346,-0.490670,0.000000,0.000000,0.211857,-0.376221,0.901984,0.000000,-0.442019,0.784951,0.434133,0.000000,-2821038.328071,5009683.326780,2752162.725173,1],    "boundingVolume": {    "region": [2.083598,0.449036,2.083711,0.449116,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_224793.b3dm"}}}