Apache atmosphere is sending an empty message every 5 minutes to the north bound. These messages contain a single byte, which is represented as a space character ' '. Is there any ability to disable those messages?

[fcb man]

Hi Guys,
We are using Apach Atmosphere and several users shared the same concern,
where the north bound client (netcool in their case) is getting every 5
minutes a message with only one space. (This is NOT the X heartbeat
message).
Anyone know what this empty message (one space message) is? Any ability to
disable it?

Thanks,
Ori