Trades

const ws = require('ws')
const w = new ws('wss://api-pub.bitfinex.com/ws/2')

w.on('message', (msg) => console.log(msg))

let msg = JSON.stringify({ 
  event: 'subscribe', 
  channel: 'trades', 
  symbol: 'tBTCUSD' 
})

w.on('open', () => w.send(msg))

wscat -c wss://api-pub.bitfinex.com/ws/2
{ "event": "subscribe",  "channel": "trades",  "symbol": "tBTCUSD" }

ws = websocket.WebSocketApp('wss://api-pub.bitfinex.com/ws/2')

ws.on_open = lambda self: self.send('{ "event": "subscribe", "channel": "trades", "symbol": "tBTCUSD"}')

ws.on_message = lambda self, evt:  print (evt)

// request
{ 
  event: "subscribe", 
  channel: "trades", 
  symbol: SYMBOL 
}

// response Trading
{
  event: "subscribed",
  channel: "trades",
  chanId: CHANNEL_ID,
  symbol: "tBTCUSD"
  pair: "BTCUSD"
}

{"event":"subscribed","channel":"trades","chanId":19111,"symbol":"tBTCUSD","pair":"BTCUSD"}

// response Funding
{
  event: "subscribed",
  channel: "trades",
  chanId: CHANNEL_ID,
  symbol: "fUSD",
  currency: "USD"
}

{"event":"subscribed","channel":"trades","chanId":339521,"symbol":"fUSD","currency":"USD"}

// on trading pairs (ex. tBTCUSD)

[
  17470, //CHANNEL_ID
  [
    [
      401597393, //ID
      1574694475039, //MTS
      0.005, //AMOUNT
      7244.9 //PRICE
    ], //TRADE
    ...
  ] //SNAPSHOT
]  

// on funding currencies (ex. fUSD)
 
[
  339521, //CHANNEL_ID
  [
    [
      133323072, //ID
      1574694245478, //MTS
      -258.7458086, //AMOUNT
      0.0002587, //RATE
      2 //PERIOD
    ], //TRADE
    ...
  ]
]

// on trading pairs (ex. tBTCUSD)

[
  17470, //CHANNEL_ID
  "te", //MSG_TYPE
  [
    401597395, //ID
    1574694478808, //MTS
    0.005, //AMOUNT
    7245.3 //PRICE
  ] //TRADE
]

// on funding currencies (ex. fUSD)

[
  337371, //CHANNEL_ID
  "fte", //MSG_TYPE
  [
    133323543, //ID
    1574694605000, //MTS
    -59.84, //AMOUNT
    0.00023647, //RATE
    2 //PERIOD
  ] //TRADE
]