{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949083,-0.315026,0.000000,0.000000,0.116334,-0.350481,0.929317,0.000000,-0.292490,0.881186,0.371430,0.000000,-1866400.673135,5622924.008880,2354262.453366,1],    "boundingVolume": {    "region": [1.891227,0.380492,1.891335,0.380607,0.000000,15.567432]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/27_71617.b3dm"}}}