{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950346,-0.311195,0.000000,0.000000,0.173921,-0.531133,0.829246,0.000000,-0.257514,0.786412,0.561465,0.000000,-1644193.302333,5021143.322188,3560888.008750,1],    "boundingVolume": {    "region": [1.887170,0.596063,1.887322,0.596248,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431661.b3dm"}}}