{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949093,-0.314997,0.000000,0.000000,0.176009,-0.530320,0.829326,0.000000,-0.260686,0.785451,0.561347,0.000000,-1664446.332833,5015004.389413,3560134.942495,1],    "boundingVolume": {    "region": [1.891182,0.595959,1.891319,0.596065,0.000000,15.347422]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373718.b3dm"}}}