VBA / JIRA / JSON：将新的键/值添加到从JSON解析的字典中

I am working on a piece of code to extract issues from a JIRA project and then loop through each issue to see if it already exists within an Excel sheet. For either outcome, I want to add a new key-value combination which will essentially tag whether the issue exists or not, e.g. "exists": "true".I am working on a piece of code to extract issu