{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950306,-0.311317,0.000000,0.000000,0.174216,-0.531801,0.828756,0.000000,-0.257461,0.785909,0.562192,0.000000,-1643860.294631,5017949.617095,3565509.542230,1],    "boundingVolume": {    "region": [1.887326,0.596985,1.887423,0.597084,0.000000,8.623773]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1401126.b3dm"}}}