{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949635,-0.313358,0.000000,0.000000,0.174880,-0.529978,0.829783,0.000000,-0.259473,0.786337,0.560667,0.000000,-1656699.376137,5020651.480621,3555815.583552,1],    "boundingVolume": {    "region": [1.889442,0.595058,1.889604,0.595324,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369523.b3dm"}}}