{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950222,-0.311573,0.000000,0.000000,0.174351,-0.531730,0.828773,0.000000,-0.257678,0.785856,0.562167,0.000000,-1645245.771556,5017609.223823,3565350.612463,1],    "boundingVolume": {    "region": [1.887568,0.596912,1.887720,0.597097,0.000000,8.814296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1401023.b3dm"}}}