{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949416,-0.314021,0.000000,0.000000,0.175205,-0.529715,0.829882,0.000000,-0.260054,0.786250,0.560520,0.000000,-1660407.560099,5020093.527958,3554879.902625,1],    "boundingVolume": {    "region": [1.890141,0.594881,1.890303,0.595146,0.000000,8.748868]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371521.b3dm"}}}