Shipping
data class Shipping(val line1: String? = null, val line2: String? = null, val city: String? = null, val state: String? = null, val postalCode: String? = null, val country: String? = null, val name: String? = null, val phone: String? = null, val carrier: String? = null, val trackingNumber: String? = null)
Shipping fields on create/update.