{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950152,-0.311786,0.000000,0.000000,0.173922,-0.530019,0.829958,0.000000,-0.258227,0.786932,0.560407,0.000000,-1648739.578950,5024447.590418,3554164.026564,1],    "boundingVolume": {    "region": [1.887787,0.594812,1.887951,0.594943,0.000000,8.799563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1358264.b3dm"}}}