{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892697,-0.450657,0.000000,0.000000,0.290512,-0.575469,0.764486,0.000000,-0.343557,0.680545,0.647169,0.000000,-2194329.824728,4346705.886364,4105859.369905,1],    "boundingVolume": {    "region": [2.038245,0.703830,2.038349,0.703899,0.000000,41.247194]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_2008906.b3dm"}}}