@staticmethod<EOL><INDENT>def role() -> str:<DEDENT>
LOGGER.debug('<STR_LIT>')<EOL>rv = '<STR_LIT>'<EOL>LOGGER.debug('<STR_LIT>', rv)<EOL>return rv<EOL>
Return the indy-sdk role for an agent in building its nym for the trust anchor to send to the ledger.

:param agent: agent instance
:return: role string