{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898466,-0.439044,0.000000,0.000000,0.283833,-0.580841,0.762930,0.000000,-0.334017,0.683538,0.649006,0.000000,-2133418.010082,4365855.650919,4117547.915816,1],    "boundingVolume": {    "region": [2.025280,0.706240,2.025381,0.706315,0.000000,17.966009]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1817779.b3dm"}}}