{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944120,-0.329601,0.000000,0.000000,0.184159,-0.527511,0.829348,0.000000,-0.272779,0.781356,0.561315,0.000000,-1741657.044183,4988860.762730,3559932.607398,1],    "boundingVolume": {    "region": [1.906630,0.595916,1.906725,0.596031,0.000000,8.802612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1297026.b3dm"}}}