Show image on node-red version 0.18.6

I was using the previous version node-red (v0.18.6). I want to show image on node as below picture, I am trying to research this cause. I was founded that function RED.comms.subscribe run success on node-red (v0.20.0) but not work well on 0.18.6.


Whether I can use another function to show image on node-red (v0.18.6)?
Thank you

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