Validate email format from a Wordpress form and save a contact in Mautic

When you collect leads from a form, you need to format the incoming data such as the lead's name and also apply a basic validation of the email entered. Lucky for us, N8N offers all of these features with simple expressions that can easily be applied to data. This workflow aims to show how you can process your lead data before saving it in Mautic. How it Works This workflow receives data from a Wordpress form; applies name formatting and basic validation to the email; Creates the contact in Mautic; If e-mail is invalid, add the lead in Dot Not Contact list. Setup Steps Set up credentials when you first open the workflow. You'll need a Mautic account. You need to configure a form in Wordpress

Help me set up the n8n workflow "Validate email format from a Wordpress form and save a contact in Mautic" (https://n8n.io/workflows/2184). It uses: Mautic. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.