QuoteRequest

A basket, in the only two shapes a basket can have: quantities of a ticket
type (general admission) or specific chairs (reserved seating).

Note what is absent — a price.

{
    "event": "summer-gala",
    "items": [
        {
            "tier": "vip",
            "quantity": 2
        }
    ],
    "seats": [
        "SEC_A_3_7",
        "SEC_A_3_8"
    ],
    "promoCode": "EARLYBIRD"
}