code: def grant_access(self, agreement_id, did, grantee_address, account):
          
          return self._keeper.access_secret_store_condition.fulfill(
              agreement_id, add_0x_prefix(did_to_id(did)), grantee_address, account
          )
docs: Grant access condition.
  
          :param agreement_id: id of the agreement, hex str
          :param did: DID, str
          :param grantee_address: Address, hex str
          :param account: Account
          :return: