def METHOD_NAME(
    self, credentials: SyftVerifyKey, verify_key: SyftVerifyKey
) -> Result[Optional[User], str]:
    if isinstance(verify_key, str):
        verify_key = SyftVerifyKey.from_string(verify_key)
    qks = QueryKeys(qks=[VerifyKeyPartitionKey.with_obj(verify_key)])
    return self.query_one(credentials=credentials, qks=qks)