{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899347,-0.437235,0.000000,0.000000,0.282948,-0.581995,0.762380,0.000000,-0.332399,0.683711,0.649654,0.000000,-2123087.178044,4366975.678393,4121670.070787,1],    "boundingVolume": {    "region": [2.023231,0.707075,2.023405,0.707184,0.000000,14.212513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_1800733.b3dm"}}}