My crush's friend added me on snapchat after I told my crush I like her. What does this mean?

My snapchat is only on my instagram and her friend doesn't follow me or have any reason to go on my profile.

She added me using the username, not the mutual friends, number or nearby way. Someone gave it to her.

What should I do?
My crush's friend added me on snapchat after I told my crush I like her. What does this mean?
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