#!/usr/bin/env python3
import zmq


context = zmq.Context()
socket = context.socket(zmq.PUB)
socket.bind("tcp://127.0.0.1:5559")

n = 10
msg_body = "\"" + "a" * n + "\""
try:
    while True:
        socket.send_string(f"test {msg_body}")
except KeyboardInterrupt:
    socket.close()