{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949528,-0.313683,0.000000,0.000000,0.175151,-0.530188,0.829592,0.000000,-0.259682,0.786065,0.560952,0.000000,-1658032.426940,5018920.013912,3557625.915271,1],    "boundingVolume": {    "region": [1.889784,0.595402,1.889946,0.595668,0.000000,8.792672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/15_1367089.b3dm"}}}