text: // GET /v1/subscription
  
  const moment = require('moment');
  
  module.exports = {
      "key": "subscription",
      "item" : {
          "plan_id" : "-",
          "user_id" : "-",
          "status" : "status",
          "trial_start" : "trial_start",
          "trial_end" : "trial_end",
          "created_at" : "start_date", 
          "stripe_customer_id" : "customer",
          "stripe_id": "id",
          "stripe_plan_id": "plan.id",
          "stripe_billing_cycle"  : "billing_cycle_anchor",
          "stripe_collection_method" : "collection_method",
          "stripe_latest_invoice"  : "latest_invoice"
      },
      "operate" : [
          {
              "run" : function(val){
                  return moment(val*1000).format()
              },
              "on" : "created_at"
          },
          {
              "run" : function(val){
                  return moment(val*1000).format()
              },
              "on" : "stripe_billing_cycle"
          }
      ]
  }
  