When you perform an action in Jira then you likely know what you did and don't need a message about it in Slack.
How to turn of notifications for your own actions:
Go to the settings page
Click "Test Mode - Send notifications to users about actions they perform in Jira."
Why does the bot do this by default?
The bot tells you about your own actions by default because we learned via help and feedback that users would do the following when first adding the bot.
Go to Jira
Mention themselves on a ticket
Check to see if the bot tells them about the update
This makes perfect sense for initial testing. However, when we ignore messages you add then you think the bot is broken.