params.json

{
  "tokenrq":"/auth/realms/$REALM/protocol/openid-connect/token",
  "coderq":"/auth/realms/$REALM/protocol/openid-connect/auth?client_id=$CLIENTID&redirect_uri=https://localhost:3000/secured&state=baf78db5-4c5b-4d56-8111-8fe63c38961a&response_mode=fragment&response_type=code&scope=openid&nonce=8fa46480-ca70-4f2f-9baf-71a6f30d6a78",
  "extrabody":"grant_type=authorization_code&client_id=$CLIENTID&redirect_uri=https://localhost:3000/secured&",
  "redirect_uri":"https://localhost:3000/secured"
}