{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950346,-0.311196,0.000000,0.000000,0.174053,-0.531531,0.828963,0.000000,-0.257426,0.786140,0.561885,0.000000,-1643638.817587,5019417.425304,3563558.225313,1],    "boundingVolume": {    "region": [1.887172,0.596571,1.887324,0.596756,0.000000,8.778951]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1399723.b3dm"}}}