{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950671,-0.310201,0.000000,0.000000,0.173076,-0.530425,0.829876,0.000000,-0.256888,0.787283,0.560530,0.000000,-1640192.498842,5026689.139783,3554943.771078,1],    "boundingVolume": {    "region": [1.886143,0.594968,1.886258,0.595083,0.000000,8.518076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346309.b3dm"}}}