public String addVertex(String version, String type, VertexPayload payload) throws CrudException {
// Validate the incoming payload
Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, type, payload.getProperties());
public String addVertex(String version, String type, VertexPayload payload) throws CrudException {
// Validate the incoming payload
Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, type, payload.getProperties());