How do I get someone’s attention online?

I want to get someone’s attention online. We met in person once for a photography event, he’s more of someone I look up to in the industry and I think he’s insanely talented and I love his passion and devotion to help newcomers and not gatekeep knowledge. I really admire and respect him but I also cannot help that I think he’s insanely attractive. We don’t live near each other so I can’t just ask to grab a cup of coffee as associates, I am planning to go to his area in a couple months but until then I’d like to get his attention and get the ball rolling. He’s liked a couple of my selfies and we chatted in comment sections but nothing more. Tips?

How do I get someone’s attention online?
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