docs: @POST
    @Path("/listen/{authenticatorName}")
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes(MediaType.APPLICATION_JSON)
    @ResourceFilters(BasicSecurityResourceFilter.class)
    public Response authenticatorUpdateListener(
        @Context HttpServletRequest req,
        @PathParam("authenticatorName") final String authenticatorName,
        byte[] serializedUserMap
    )
    {
      return handler.authenticatorUpdateListener(authenticatorName, serializedUserMap);
    }