Get external feed details
Retrieves details of a specific external feed by its UUID.
**Use this to:**
- Get complete configuration of an external feed
- Check feed authentication settings
- Review feed personalization options
- Verify feed URL and parameters
- Monitor feed modification history
**Key information returned:**
- Complete feed configuration and settings
- Authentication credentials and headers
- Personalization and fallback settings
- Creation and modification timestamps
- Cache and retry configurations
**Important considerations:**
- UUID must exist in your account
- Provides complete feed information for troubleshooting
- Essential before making modifications
- Shows current feed health status
- Useful for debugging feed issues