{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949127,-0.314892,0.000000,0.000000,0.175663,-0.529471,0.829942,0.000000,-0.260794,0.786068,0.560432,0.000000,-1665131.707618,5018928.564951,3554318.887348,1],    "boundingVolume": {    "region": [1.891092,0.594812,1.891187,0.595002,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1457593.b3dm"}}}