    to: to,
                        amount: +amount,
                        note: note,
                        // 'pay' is an ALGO payment transaction
                        type: 'pay',
                        fee: txParams['min-fee'], // the minimum fee to send the transaction
                        firstRound: txParams['last-round'], // the first round the transaction is valid for
                        lastRound: txParams['last-round'] + 1000, // the last round the transaction is valid for
