Creating an api to a third party wss?

I am trying to get the OPEN HIGH LOW CLOSE prices from a Chart this is the website in question : Website

and this is how the chart looks

after inspecting the flow of communication i noticed it connects to a websocket server

Initiating a socket connection to this link: wss://api-in.pocketoption.com:8095/socket.io/?EIO=3&transport=websocket

gives something like this :

but after the response it closes the connection, Looking at the response i can see there is an sid but cant figure what to do with the sid ?