Event Store subscription

sub.go

sub, err := sc.Subscribe("eventstore.events", func(m *stan.Msg) {
    fmt.Printf("Received a message: %s\n", string(m.Data))
    // your code
    if err := m.Ack(); err != nil {
       // event is redelivered
      return
    }
},
  stan.maxInFlight(1),
  stan.AckWait("30s"),
  stan.SetManualAckMode(),
  stan.DurableName(durableName),
)