{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943945,-0.330104,0.000000,0.000000,0.184441,-0.527416,0.829346,0.000000,-0.273194,0.781209,0.561318,0.000000,-1744311.278880,4987919.604264,3559951.741848,1],    "boundingVolume": {    "region": [1.907162,0.595920,1.907258,0.596035,0.000000,8.545927]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1271207.b3dm"}}}