{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949137,-0.314865,0.000000,0.000000,0.175633,-0.529433,0.829972,0.000000,-0.260781,0.786105,0.560386,0.000000,-1665046.784510,5019161.033269,3554032.322957,1],    "boundingVolume": {    "region": [1.891063,0.594757,1.891158,0.594948,0.000000,8.765402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/27_1379068.b3dm"}}}