Here's a message you can use to seek assistance for creating a detailed report of your customer retention rate by product for your e-commerce subscription-based website:
Hello,

I am looking for immediate assistance in generating a detailed report of the customer retention rate by product for my e-commerce website, which sells subscription-based products. This report is crucial for understanding customer behavior and improving our offerings.

Requirements:

    Analyze customer data to calculate retention rates for each subscription product.
    Provide insights into trends and factors influencing customer retention.
    Present the findings in a clear and actionable format.

If you have experience with e-commerce analytics and can start working on this immediately, please let me know your availability and any relevant qualifications. I appreciate your help!

Thank you,
Your Name
Your Contact Information
Your Business Name

Feel free to modify this template as needed!