Is she ignoring me? Do I keep texting her?

Im friends with a girl who use to work me and we use to spend so much time together. She doesn't work with me any more and we said we'd plan to hang out all the time. We've only hung out once and its been at least 2 months. I messaged her and it took her a week to reply, saying she was busy with her new job. I messaged again but she hasn't replied. Do I keep trying to message her? We were super close. W use to sit in her car after work and talk to 1am (we'd finish at 11pm). She has a boyfriend and the friendship was strictly platonic. So do I continue to message her or is she ignoring me?
Is she ignoring me? Do I keep texting her?
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