Shy Girls, How to subtly tell a shy girl I like her?

Long story short, this girl I know, but don’t talk to much was acting strange around me a month ago when we saw each other in person at a public event. She kept taking glances and would look away when I caught her. She would linger around me but wouldn’t start a conversation, I didn’t take any of this to mean anything till I was walking past her when we were alone by the entrance and she wouldn’t make eye contact. She kept looking down and when I said something funny she laughed but still wouldn’t look at me, instead she turned her face downward and giggled and responded with like 2 words as if she didn’t know how to respond. I took it as this girl doesn’t want to talk so I left and didn’t realize she may have a crush till I got home and reflected on why she was acting strange. I do have her on Snapchat, we don’t talk on it but she always looks at my stories and never misses them. So a few weeks after that event I found the courage to say hi on snap and asked her how she was doing, which she looked at in 5 min but left me on read and never responded. I ended up backing off thinking she isn’t interested maybe and I misread, or that she’s shy to respond. She still continues to never miss a story of mine. Now I’m thinking if she is even aware if I like her back or not. I think I insinuated that me reaching out to her that one time was enough for her to know I like her back, do you guys think a shy girl would take that as a hint or was what I said not a hint enough? We both come from strict cultural backgrounds so i thinks it’s hard for her to accept her feelings maybe, and I don’t have experience either. Should I send subtle hints that I’m interested? What kind of subtle clues can I give?

Shy Girls, How to subtly tell a shy girl I like her?
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