Usage: account.events.on('FETCHED/UNCONFIRMED_TRANSACTION', fn)
Description: Every time a new unconfirmed transaction is fetched from the network, an event in thrown.

Returns : {Transaction}

Example:

const {EVENTS} = require('@dashevo/wallet-lib');
const onNewUnconfirmedTx = (tx)=>{
  console.log('Unconfirmed tx', tx);
}
account.events.on(EVENTS.FETCHED_UNCONFIRMED_TRANSACTION, onNewUnconfirmedTx);