Nora chair:
925 x 915 x H 840 mm
https://omsk.inmyroom.ru/products/1919970-kreslo-nora-sero-bezhevogo-cveta 


Without Turbosmooth modifier:
Polys: 8,263
Verts: 8,477
With Turbosmooth iterations 2 modifier:
Polys: 266,640
Verts: 133,575

The Turbosmooth modifier with Isoline Display was applied to the required objects;
There is an FBX file (if necessary, apply the Turn To Poly modifier to the FBX file);
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR.