{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949108,-0.314950,0.000000,0.000000,0.175973,-0.530297,0.829349,0.000000,-0.260654,0.785485,0.561313,0.000000,-1664242.052374,5015224.009229,3559922.492470,1],    "boundingVolume": {    "region": [1.891132,0.595919,1.891269,0.596025,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1361202.b3dm"}}}