TicketMembership
data class TicketMembership(val programName: String? = null, val membershipNumber: String? = null, val membershipStatus: String? = null, val pointsBalance: String? = null, val balance: String? = null, val balanceCurrency: String? = null) : Parcelable
A loyalty / frequent-flyer membership (schema:ProgramMembership).
pointsBalance and balance are minted: schema.org's membershipPointsEarned is a pending term that means points earned, not a running balance.