code: function buildUnfreezeBalance(address) {
    var contract = new UnfreezeBalanceContract();
  
    contract.setOwnerAddress(Uint8Array.from(decode58Check(address)));
  
    return buildTransferContract(
      contract,
      Transaction.Contract.ContractType.UNFREEZEBALANCECONTRACT,
      "UnfreezeBalanceContract");
  }
docs: Unfreeze balance
  
  @param address From which address to freze