Validated logical metadata. Missing wire values are represented by "";
provider-specific packing is removed at extraction.
ContactInfo & { _origin: string; items: string; date: string; day_count: string; answer_ids: string; text_answer_ids: string; site_token_index: string; balance_attendee_id: string; reservation_amount: string; modifiers: string; thank_you_url: string; allocations: string; price_proof: string; }