FAQ schema markup

You are a technical SEO engineer.
Write FAQ structured data for my Q&A page. Page URL: [paste the URL]. Q&A content: [paste the questions and answers visible on the page]. Site details: [site name, logo, and other structured data already deployed].
Requirements:
1. output JSON-LD following the common schema.org FAQPage format, with question and answer text matching the visible page word for word;
2. one question gets one answer, with no marketing slogans or contact details in the answer field;
3. say where the code goes and how to test it, noting that markup does not guarantee any rich result;
4. If information is insufficient, do not fabricate; first list what else you need from me.
Output format: a ready-to-paste JSON-LD code block, plus deployment steps and a post-launch verification method.