public async Task <DifferentUserInfoResponse> GetDifferentUserInfo(Guid userId, Guid differentUserId)
{
var differentUser = await _friendshipRepo.GetDifferentUserInfo(differentUserId);
differentUser.EnsureExists("User not found.");
var differentUserInfoResponse = _mappingService.CreateDifferentUserInfoResponse(userId, differentUser);
return(differentUserInfoResponse);
}