Remember ‘With or without you’ energy
When adding people on LinkedIn, you have 300 characters to use.
Structure:
Hi Mary, I’ve been following your content on LinkedIn for a while, I really enjoyed your recent post about X, (describe how or why it resonated with you because it gives you the opp to share some of yourself). I’m currently working on XX, do let me know if you’re open to a collaboration chat at some stage - I feel we could have a lot to discuss on this subject. Leo