curl --request PUT \
  --url https://api.example.com/v1/profile/settings \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "language": "en",
  "timezone": "<string>",
  "notifications_enabled": true,
  "two_factor_enabled": true
}
'

{
  "language": "en",
  "timezone": "Europe/Zurich",
  "notifications_enabled": true,
  "two_factor_enabled": true
}