{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950195,-0.311656,0.000000,0.000000,0.174432,-0.531820,0.828698,0.000000,-0.257724,0.785762,0.562278,0.000000,-1645538.547659,5017011.787240,3566051.442860,1],    "boundingVolume": {    "region": [1.887656,0.597045,1.887808,0.597230,0.000000,8.814296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1385483.b3dm"}}}