Trying to send a FIX api message to ctrader server using Ruby but receiving no response

Question

Trying to see if I can get a response from ctrader server.
Getting no response and seems to hang at "s.recv(1024)". So not sure what could be going wrong here.
I have limited experience with sockets and network coding.
I have checked my login credentials and all seems ok.
Note: I am aware of many FIX engines that are available for this purpose but wanted to try this on my own.
ctrader FIX guides

require 'socket'

hostname = "h51.p.ctrader.com"
port = 5201

#constructing a fix message to see what ctrader server returns
#8=FIX.4.4|9=123|35=A|49=demo.ctrader.*******|56=cServer|57=QUOTE|50=QUOTE|34=1|52=20220127-16:49:31|98=0|108=30|553=********|554=*******|10=155|

fix_message = "8=FIX.4.4|9=#{bodylengthsum}|" + bodylength + "10=#{checksumcalc}|"

s = TCPSocket.new(hostname, port)
s.send(fix_message.force_encoding("ASCII"),0)
print fix_message 
puts s.recv(1024)
s.close