def METHOD_NAME(
    self,
    signal_id: str,
    body: SignalAssigneeUpdateRequest,
) -> SuccessfulSignalUpdateResponse:
    """Modify the triage assignee of a security signal.
    Modify the triage assignee of a security signal.
    :param signal_id: The ID of the signal.
    :type signal_id: str
    :param body: Attributes describing the signal update.
    :type body: SignalAssigneeUpdateRequest
    :rtype: SuccessfulSignalUpdateResponse
    """
    kwargs: Dict[str, Any] = {}
    kwargs["signal_id"] = signal_id
    kwargs["body"] = body
    return self._edit_security_monitoring_signal_assignee_endpoint.call_with_http_info(**kwargs)