src/main/resources/message-template.json

{
  "channel": "#%1$s",
  "attachments": [
    {
      "fallback": "%2$s %3$s - %4$s (%5$s) - change %6$s - %7$s",
      "pretext": "%2$s %3$s",
      "title": "%4$s (%5$s) - change %6$s",
      "title_link": "%7$s",
      "text": "%8$s",
      "color": "%9$s"
    }
  ]
}