{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950358,-0.311158,0.000000,0.000000,0.173906,-0.531155,0.829235,0.000000,-0.257480,0.786411,0.561482,0.000000,-1643976.197752,5021139.588863,3560992.803796,1],    "boundingVolume": {    "region": [1.887131,0.596083,1.887283,0.596268,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431901.b3dm"}}}