code: func NewNewTxNtfn(account string, details ListTransactionsResult) *NewTxNtfn {
  	return &NewTxNtfn{
  		Account: account,
  		Details: details,
  	}
  }
docs: // NewNewTxNtfn returns a new instance which can be used to issue a newtx
  // JSON-RPC notification.