{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949093,-0.314995,0.000000,0.000000,0.176015,-0.530340,0.829312,0.000000,-0.260679,0.785438,0.561368,0.000000,-1664402.951235,5014922.245322,3560270.022983,1],    "boundingVolume": {    "region": [1.891179,0.595985,1.891316,0.596091,0.000000,11.857457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373462.b3dm"}}}