new_contents: from protobuf.cta_event_pb2 import CTAEvent
  import zmq
  from time import sleep
  import numpy as np
  from telescope import LST
  
  context = zmq.Context()
  socket = context.socket(zmq.PUB)
  socket.bind("tcp://*:5000")
  
  lst = LST(position_x=0, position_y=0, telescope_id=0)
  
  
  while True:
      event = CTAEvent()
      event.telescope_id = lst.telescope_id
      # for value in np.random.normal(size=lst.n_pixel):
      data = np.random.normal(size=lst.n_pixel)
      event.data.extend(list(data))
      socket.send('1000 ' + event.SerializeToString())
      # socket.send('1000 Hallo Welt')
      sleep(0.1)
  
subject: add zeromq publisher for cta protobufs