{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949843,-0.312728,0.000000,0.000000,0.174528,-0.530091,0.829785,0.000000,-0.258953,0.786511,0.560664,0.000000,-1653375.524910,5021759.296605,3555798.411134,1],    "boundingVolume": {    "region": [1.888778,0.595122,1.888942,0.595254,0.000000,8.540030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1356866.b3dm"}}}