{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950421,-0.310965,0.000000,0.000000,0.174049,-0.531957,0.828691,0.000000,-0.257150,0.785942,0.562288,0.000000,-1641877.059431,5018161.982711,3566120.301588,1],    "boundingVolume": {    "region": [1.886956,0.597101,1.887054,0.597200,0.000000,8.764055]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1325790.b3dm"}}}