{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950791,-0.309834,0.000000,0.000000,0.172893,-0.530559,0.829828,0.000000,-0.256569,0.787337,0.560600,0.000000,-1638159.211668,5027032.786728,3555392.329998,1],    "boundingVolume": {    "region": [1.885757,0.595054,1.885873,0.595168,0.000000,8.765025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1448373.b3dm"}}}