code: function command (
    {
      privateKeys,
      creatorAccountId,
      quorum,
      commandService,
      timeoutLimit
    } = DEFAULT_OPTIONS,
    tx
  ) {
    let txToSend = txHelper.addMeta(tx, {
      creatorAccountId,
      quorum
    })
  
    txToSend = signWithArrayOfKeys(txToSend, privateKeys)
  
    let txClient = commandService
  
    return sendTransactions([txToSend], txClient, timeoutLimit)
  }
docs: wrapper function of queries
  @param {Object} commandOptions
  @param {Object} transactions