{ "client_id": "c75d9460-5d48-423d-8d01-f825fd5b1672", "client_secret": "string", "grant_type": "client_credentials", "scope": "scope1 scope2", "code": "8A9D16B4C3E25F6A", "redirect_uri": "https://example.com/callback", "code_verifier": "Th7UHJdLswIYQxwSg29DbK1a_d9o41uNMTRmuH0PM8zyoMAQ" }