curl --request POST \
  --url https://us.infisical.com/api/v3/pki/certificates/sign-certificate \
  --header 'Content-Type: application/json' \
  --data '{
  "profileId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "csr": "<string>",
  "ttl": "<string>",
  "notBefore": "<string>",
  "notAfter": "<string>"
}'

{
  "certificate": "<string>",
  "issuingCaCertificate": "<string>",
  "certificateChain": "<string>",
  "serialNumber": "<string>",
  "certificateId": "<string>"
}