Should I try message her?

So, me and my ex broke up a year ago, and she ended up totally hating me because I managed to be okay with that and tried to meet other girls a few months after. (btw, she was flirting with someone even before we broke up haha)

I don't want to get back with her, but she still is important to me, so i'd like to stay in contact with her but she blocked me in Facebook like 6 or 7 months ago after telling me awful things someone put in her head.

The question is, should I try to send her a text message to break the ice or should I let her do that when or if she wants to some day?
Should I try message her?
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