curl 'wss://api.dev.relabs.tech:30443/live/mav/1?min_interval=500' \
  -H 'Pragma: no-cache' \
  -H 'Origin: file://' \
  -H 'Accept-Encoding: gzip, deflate, br' \
  -H 'Accept-Language: en-US,en;q=0.9' \
  -H 'Sec-WebSocket-Key: a/flDk6xNnpuiahdnnJ6PQ==' \
  -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36' \
  -H 'Upgrade: websocket' \
  -H 'Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits' \
  -H 'Cache-Control: no-cache' \
  -H 'Sec-WebSocket-Protocol: admin' \
  -H 'Connection: Upgrade' \
  -H 'Sec-WebSocket-Version: 13' \
  --compressed