{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950493,-0.310746,0.000000,0.000000,0.173856,-0.531781,0.828844,0.000000,-0.257017,0.786148,0.562061,0.000000,-1641023.431259,5019473.161901,3564677.347097,1],    "boundingVolume": {    "region": [1.886725,0.596827,1.886823,0.596925,0.000000,8.622855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1327120.b3dm"}}}