{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949133,-0.314877,0.000000,0.000000,0.116118,-0.350015,0.929519,0.000000,-0.292415,0.881427,0.370918,0.000000,-1865922.418001,5624451.472687,2351012.505863,1],    "boundingVolume": {    "region": [1.891069,0.379940,1.891177,0.380055,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1677.b3dm"}}}