{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950382,-0.311084,0.000000,0.000000,0.174105,-0.531903,0.828714,0.000000,-0.257255,0.785932,0.562255,0.000000,-1642549.275319,5018093.870241,3565908.013383,1],    "boundingVolume": {    "region": [1.887081,0.597061,1.887179,0.597160,0.000000,8.181464]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1326097.b3dm"}}}