{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949074,-0.315052,0.000000,0.000000,0.176135,-0.530595,0.829124,0.000000,-0.260667,0.785242,0.561647,0.000000,-1664326.784880,5013677.750203,3562045.966959,1],    "boundingVolume": {    "region": [1.891239,0.596322,1.891377,0.596429,0.000000,7.031232]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1417098.b3dm"}}}