Handle verification for Twitter webhook

This workflow handles the incoming call from Twitter and sends the required response for verification. On registering the webhook with the Twitter Account Activity API, Twitter expects a signature in response. Twitter also randomly ping the webhook to ensure it is active and secure. Webhook node: Use the displayed URL to register with the Account Activity API. Crypto node: In the Secret field, enter your API Key Secret from Twitter. Set node: This node generates the response expected by the Twitter API. Learn more about connecting n8n with Twitter in the Getting Started with Twitter Webhook article.

Help me set up the n8n workflow "Handle verification for Twitter webhook" (https://n8n.io/workflows/1440). It uses: Crypto. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.