{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949423,-0.314001,0.000000,0.000000,0.175553,-0.530809,0.829110,0.000000,-0.259792,0.785517,0.561668,0.000000,-1658743.918796,5015435.262073,3562175.072265,1],    "boundingVolume": {    "region": [1.890151,0.596359,1.890249,0.596441,0.000000,13.602695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1410664.b3dm"}}}