Usage: mqtt subscribe [opts] [topic]

Available options:

  -h/--hostname HOST   the broker host
  -p/--port PORT       the broker port
  -i/--client-id ID    the client id
  -q/--qos 0/1/2       the QoS of the message
  -c/--clean           discard any pending message for the given id
  -t/--topic TOPIC     the message topic
  -k/--keepalive SEC  send a ping every SEC seconds
  -u/--username USER   the username
  -P/--password PASS   the password
  -C/--protocol PROTO  the protocol to use, 'mqtt',
                       'mqtts', 'ws' or 'wss'
  --key PATH           path to the key file
  --cert PATH          path to the cert file
  --ca PATH            path to the ca certificate
  --insecure           do not verify the server certificate
  --will-topic TOPIC   the will topic
  --will-message BODY  the will message
  --will-qos 0/1/2     the will qos
  --will-retain        send a will retained message
  -v/--verbose         print the topic before the message
  -H/--help            show this
