{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949237,-0.314562,0.000000,0.000000,0.175917,-0.530854,0.829004,0.000000,-0.260224,0.785262,0.561825,0.000000,-1661499.148049,5013810.187258,3563171.848562,1],    "boundingVolume": {    "region": [1.890741,0.596579,1.890843,0.596600,0.000000,7.638141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1337580.b3dm"}}}