{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949104,-0.314964,0.000000,0.000000,0.176000,-0.530354,0.829306,0.000000,-0.260652,0.785441,0.561376,0.000000,-1664231.350458,5014942.051250,3560321.992187,1],    "boundingVolume": {    "region": [1.891147,0.595995,1.891284,0.596101,0.000000,8.323670]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1359939.b3dm"}}}