{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949124,-0.314902,0.000000,0.000000,0.116354,-0.350695,0.929234,0.000000,-0.292347,0.881145,0.371640,0.000000,-1865494.806063,5622663.324866,2355593.680902,1],    "boundingVolume": {    "region": [1.891080,0.380725,1.891219,0.380825,0.000000,11.388288]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/8_71752.b3dm"}}}