code: public boolean redeemCoinbaseToken(String tokenId) throws IOException {
  
      final CoinbaseBaseResponse response =
          coinbase.redeemToken(
              tokenId,
              exchange.getExchangeSpecification().getApiKey(),
              signatureCreator,
              exchange.getNonceFactory());
      return handleResponse(response).isSuccess();
    }
docs: Authenticated resource which claims a redeemable token for its address and Bitcoin.
  
  @param tokenId
  @return True if the redemption was successful.
  @throws IOException
  @see <a
  href="https://coinbase.com/api/doc/1.0/tokens/redeem.html">coinbase.com/api/doc/1.0/tokens/redeem.html</a>