Per-domain enrichment attached to a prediction event. Discriminated by metadataType; the corresponding sub-block (e.g. sports) is populated. Null when no domain-specific signal can be extracted.
Timezone discriminator for gameStartTime / gameStartDate. Always UTC for any record produced after the ET→UTC normalisation rollout.
See SportsTimezone
Decomposed venue ticker (parsed components from the venue’s native event identifier). Useful for cross-venue matching when canonical league/teams fields don’t disambiguate.
See DecomposedVenueTicker