{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949647,-0.313322,0.000000,0.000000,0.174857,-0.529972,0.829792,0.000000,-0.259447,0.786355,0.560655,0.000000,-1656529.897629,5020764.048552,3555736.133618,1],    "boundingVolume": {    "region": [1.889405,0.595043,1.889567,0.595309,0.000000,8.819706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369745.b3dm"}}}