subscriptions_schema = [
  "billing_cycle_anchor",
  "billing_thresholds",
  "cancel_at",
  "cancel_at_period_end",
  "canceled_at",
  "collection_method",
  "created",
  "current_period_end",
  "current_period_start",
  "customer",
  "days_until_due",
  "default_payment_method",
  "default_source",
  "default_tax_rate",
  "discount",
  "ended_at",
  "id",
  "items_data_plan_amount_decimal",
  "items_data_plan_currency",
  "items_data_plan_id",
  "items_data_plan_interval",
  "items_data_plan_interval_count",
  "items_data_plan_metadata_maxSpaceBytes",
  "items_data_plan_metadata_name",
  "items_data_plan_metadata_planType",
  "items_data_plan_product",
  "items_data_price_",
  "items_data_price_id",
  "items_data_price_metadata_maxSpaceBytes",
  "items_data_price_metadata_name",
  "items_data_price_metadata_planType",
  "items_data_price_product",
  "items_data_price_recurring_interval",
  "items_data_price_recurring_interval_count",
  "items_data_price_unit_amount",
  "items_data_price_subscription",
  "latest_invoice",
  "start_date"
]