{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949043,-0.315146,0.000000,0.000000,0.175940,-0.529834,0.829651,0.000000,-0.260912,0.785721,0.560864,0.000000,-1665886.106271,5016718.285332,3557066.172248,1],    "boundingVolume": {    "region": [1.891338,0.595376,1.891475,0.595482,0.000000,8.811778]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1374693.b3dm"}}}