{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944276,-0.329154,0.000000,0.000000,0.184017,-0.527907,0.829127,0.000000,-0.272336,0.781275,0.561642,0.000000,-1738832.081436,4988350.266416,3562014.294368,1],    "boundingVolume": {    "region": [1.906147,0.596332,1.906262,0.596407,0.000000,8.739720]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191758.b3dm"}}}