[
  {
    "default": false,
    "from": "New",
    "to": "In Progress",
    "messages": [
      {
        "recipient": "<field_name>",
        // Handlebars - template engine
        "changes_message": "{{qa.name}} got issue #{{issue_id}} after development {{dev.name}}",
        "notification_message": "<a href=\"{{ issue_url }}\">{{ issue_tracker }} #{{ issue_id }}</a> {{ issue_subject }}:\n{{dev.name}} finished development. You can test issue.\n\n{{journal_note}}"
      }
      // ...
    ]
  }
  // ...
]