{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949402,-0.314062,0.000000,0.000000,0.175583,-0.530783,0.829120,0.000000,-0.259846,0.785510,0.561652,0.000000,-1659089.001911,5015390.605530,3562077.894326,1],    "boundingVolume": {    "region": [1.890215,0.596341,1.890314,0.596422,0.000000,13.602695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1409944.b3dm"}}}