code: async function (senderAddress, senderPassphrase, beneficiaryAddress) {
      const oThis = this
        , encodedABI = oThis.currContract.methods.claim(beneficiaryAddress).encodeABI()
        , currentGasPrice = new BigNumber(await web3Provider.eth.getGasPrice())
      ;
  
      const estimateGasObj = new EstimateGasKlass({
        contract_name: stPrimeContractName,
        contract_address: oThis.contractAddress,
        chain: 'utility',
        sender_address: senderAddress,
        method_name: 'claim',
        method_arguments: [beneficiaryAddress]
      });
  
      const estimateGasResponse = await estimateGasObj.perform()
        , gasToUse = estimateGasResponse.data.gas_to_use
      ;
  
      return contractInteractHelper.safeSendFromAddr(
        web3Provider,
        oThis.contractAddress,
        encodedABI,
        senderAddress,
        senderPassphrase,
        {
          gasPrice: (currentGasPrice.equals(0) ? '0x0' : UC_GAS_PRICE),
          gas: gasToUse
        }
      );
    }
docs: Claim ST' for beneficiary after they are process-minted
  
  @param {string} senderAddress - address of sender
  @param {string} senderPassphrase - passphrase of senderAddress
  @param {string} beneficiaryAddress - address where funds would be credited
  
  @return {promise<result>}