Need help on this girl issue ?

My Physical stature : 6’3, tattoos, weightlifter. I’ve been seeing this girl stare at me at the gym for a few days so I finally went up to talk to her and just brought up a random topic like school. It seemed to go really well and she even gave me her Instagram (didn’t follow me back). Before I ended the convo, I asked if she was down to work out sometime and she says “maybe…I’ll think about it”. I was so thrown off at that point because she was giving me looks the past few days that I’ve seen her. Can anyone answer this cuz it feels like a rejection?

Need help on this girl issue ?
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