:reserved_node_id - (String) :reserved_node_offering_id - (String) :node_type - (String) :start_time - (Time) :duration - (Integer) :fixed_price - (Numeric) :usage_price - (Numeric) :currency_code - (String) :node_count - (Integer) :state - (String) :offering_type - (String) :recurring_charges - (Array)

  :recurring_charge_amount - (Numeric)
  :recurring_charge_frequency - (String)