{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948850,-0.315726,0.000000,0.000000,0.176511,-0.530468,0.829124,0.000000,-0.261225,0.785057,0.561646,0.000000,-1667890.299256,5012498.383535,3562039.014244,1],    "boundingVolume": {    "region": [1.891950,0.596321,1.892087,0.596427,0.000000,8.794218]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112234.b3dm"}}}