Claim Squarespace Site on Pinterest

I'm looking for assistance in claiming my Squarespace website on my Pinterest business account. I have already set up the Pinterest business account and have access to the website's HTML code. However, I'm unsure if the Pinterest meta tag has been added to the head section of my Squarespace site.

Key Requirements:
- Verify if the Pinterest meta tag is present in the website's head section.
- Add the Pinterest meta tag if it's missing.
- Ensure successful verification and claiming of the website on Pinterest.

Ideal Skills and Experience:
- Experience with Squarespace website management.
- Familiarity with HTML code and meta tags.
- Knowledge of Pinterest business account setup and website claiming process.
- Attention to detail and ability to troubleshoot verification issues.

Please help me ensure my website is properly claimed and verified on Pinterest.