Auth token. This is the token returned by get_auth_token(). Just the token, do not include "Bearer" in this string, that is handled inside the method.
Organization context. This is provided by the Finite State API management. It looks like "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".
Download a report for a specific asset version and save it to a local file. This is a blocking call, and can sometimes take minutes to return if the report is very large.