user chirpstack_gw
topic write gateway/+/event/+
topic read gateway/+/command/+

user chirpstack_ns
topic read gateway/+/event/+
topic write gateway/+/command/+

user chirpstack_as
topic write application/+/device/+/rx
topic write application/+/device/+/join
topic write application/+/device/+/ack
topic write application/+/device/+/error
topic read application/+/device/+/tx
topic write application/+/device/+/status
topic write application/+/device/+/location