{"NAME":"LINGANZH Smart ","GPIO":[0,0,0,0,41,38,0,0,39,0,40,37,0],"FLAG":0,"BASE":18}

See Tasmota documentation on how to configure RGBW lights to your needs.

Tuya-Convert might not be possible for this device since the template was added (2020-05-07). All new Tuya devices have firmware preventing flash but it is still possible to Tuya-Convert old stock devices without connecting them to the Tuya app.

Tuya Convert worked on third consecutive attempt, trying different schemas I believe