{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949286,-0.314413,0.000000,0.000000,0.175436,-0.529683,0.829854,0.000000,-0.260369,0.786116,0.560562,0.000000,-1662419.438476,5019236.860315,3555147.471823,1],    "boundingVolume": {    "region": [1.890553,0.594931,1.890715,0.595197,0.000000,12.970828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1457791.b3dm"}}}