public async Task CharacterDeleteAsync(SsoToken token, IList <int> contactIds)
        {
            StaticMethods.CheckToken(token, CharacterScopes.esi_characters_write_contacts_v1);

            string url = StaticConnectionStrings.CheckTestingUrl(StaticConnectionStrings.ContactsV2CharacterDelete(token.CharacterId), _testing);

            string jsonObject = JsonConvert.SerializeObject(contactIds);

            await PollyPolicies.WebExceptionRetryWithFallbackAsync.ExecuteAsync(async() => await _webClient.DeleteAsync(StaticMethods.CreateHeaders(token), url, jsonObject));
        }