Sync new subscribers from Google Sheets to MailerLite without duplicates

This n8n template from Intuz provides a complete solution to automate the syncing of new subscribers from Google Sheets to MailerLite. It intelligently identifies and adds only new contacts, preventing duplicates and ensuring your email lists are clean and accurate. Who's this workflow for? Marketing Teams Email Marketers Small Business Owners Community Managers How it works 1. Read from Google Sheets: The workflow begins by reading all contact rows from your designated Google Sheet. 2. Check for Existing Subscribers: For each contact, it performs a search in MailerLite to check if a subscriber with that email address already exists. 3. Handle Duplicates: If the subscriber is found in Mailer

Help me set up the n8n workflow "Sync new subscribers from Google Sheets to MailerLite without duplicates" (https://n8n.io/workflows/7681). It uses: Google Sheets, HTTP Request, MailerLite. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.