{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950748,-0.309963,0.000000,0.000000,0.173094,-0.530929,0.829550,0.000000,-0.256590,0.787036,0.561014,0.000000,-1638290.631605,5025117.384216,3558020.788667,1],    "boundingVolume": {    "region": [1.885893,0.595553,1.886009,0.595667,0.000000,8.812964]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1421582.b3dm"}}}