{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950181,-0.311698,0.000000,0.000000,0.174042,-0.530551,0.829593,0.000000,-0.258039,0.786608,0.560950,0.000000,-1647545.207693,5022383.004395,3557611.030926,1],    "boundingVolume": {    "region": [1.887726,0.595474,1.887826,0.595591,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1455543.b3dm"}}}