Subscribes to the exchange execution feed.
Request to start an execution subscription from the exchange.
A list of firms by fully qualified resource name to filter upon. Optional.
A list of symbols to filter upon. Optional.
["aec-nfl-buf-nyj-2025-01-15"]Bookmark to resume the subscription if the stream must be restarted.
Timestamp from which to resume the subscription if the stream must be restarted.