ImmutablePair<EntityTag, String> result = graphDataService.addEdge(version, payload.getType(), payload);
response = Response.status(Status.CREATED).entity(result.getValue()).tag(result.getKey()).type(mediaType).build();
} else {
ImmutablePair<EntityTag, String> result = graphDataService.addEdge(version, payload.getType(), payload);
response = Response.status(Status.CREATED).entity(result.getValue()).tag(result.getKey()).type(mediaType).build();
} else {