{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950217,-0.311590,0.000000,0.000000,0.174374,-0.531765,0.828746,0.000000,-0.257684,0.785826,0.562207,0.000000,-1645285.799612,5017415.020146,3565603.728725,1],    "boundingVolume": {    "region": [1.887587,0.596960,1.887738,0.597145,0.000000,8.775958]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1385291.b3dm"}}}