i need to localize reason and action of return requests

hello dears,
i am using v 4.6
and i need to localize  return reason and return action of return requests
i made ReturnRequest.cs implements ILocalizedEntity and
i the ReturnRequestModelFactory.cs
i added

 ReturnAction = await _localizationService.GetLocalizedAsync(returnRequest, rr => rr.RequestedAction),

and in database i added record for example one action
id     entityid langId group                  key                                        value
3813  1  2  ReturnRequest  RequestedAction  استرجاع واسترداد نقدي
3814  1  1  ReturnRequest  RequestedAction  Return & Refund
and in action table
id    name                           displayorder
1  Return & Refund   1
but it not working please help