{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950577,-0.310489,0.000000,0.000000,0.173633,-0.531586,0.829016,0.000000,-0.256858,0.786382,0.561807,0.000000,-1640009.406444,5020961.841002,3563058.018072,1],    "boundingVolume": {    "region": [1.886455,0.596519,1.886553,0.596617,0.000000,13.019579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1391226.b3dm"}}}