{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949209,-0.314648,0.000000,0.000000,0.175972,-0.530860,0.828988,0.000000,-0.260289,0.785224,0.561848,0.000000,-1661917.811790,5013564.246217,3563321.649297,1],    "boundingVolume": {    "region": [1.890831,0.596607,1.890932,0.596629,0.000000,9.204904]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/10_1420698.b3dm"}}}