Monitor public Instagram accounts and creates an event for each post.
It can be scheduled to hit Instagram as much as you want but will obey
the wait_between_refresh for each account to avoid being banned.
If set to 0 it will refresh all accounts at every run.
You can set the option proxy to use one. The format is user:password@host:port.
Links generally expire after 24 hours but this agent will try to keep the corresponding events updated so they can be used in a feed.