possible autoSubscribe function for subscription management linking - re: https://kadira.io/academy/meteor-routing-guide/content/subscriptions-and-data-management/using-subs-manager

autoSubscribe.js

    // Subscriptions automatic helpers
    autoSub = { readys: {}, managers: {} };
    autoSubscribe = function(T, subKey, paramKey) {
      T.onCreated(function() {
        var self = this;
        if (!_.has(autoSub.managers, subKey)) {
          autoSub.managers[subKey] = new SubsManager();
        }
        if (!_.has(autoSub.readys, subKey)) {
          autoSub.readys[subKey] = new ReactiveVar();
        }
        self.ready = autoSub.readys[subKey];
        self.autorun(function() {
          var handle = autoSub.managers[subKey].subscribe(subKey, FlowRouter.getParam(paramKey));
          self.ready.set(handle.ready());
        });
      });
    };
    Template.registerHelper('autoSubscribeReady', function() {
      if (!Template.instance().ready) {
        console.log('Template.autoSubscribeReady=false, no ready', Template.instance());
        return false;
      }
      return Template.instance().ready.get();
    });
    Template.registerHelper('autoSubscribeUser', function() {
      if (!Template.instance().ready) {
        console.log('Template.autoSubscribeUser=false, no ready', Template.instance());
        return false;
      }
      return Users.findOne({ _id: FlowRouter.getParam('userId') });
    });
    Meteor.startup(function() {
      autoSubscribe(Template.AdminUsersView, 'user', 'userId');
      autoSubscribe(Template.AdminUsersEdit, 'user', 'userId');
    });