Retrieves information about active combos for the specified currency. Returns detailed information including leg structures and combo properties.
For a list of combo IDs only, use public/get_combo_ids. For details about a specific combo, use public/get_combo_details.
The currency symbol or "any" for all
Currency name or "any" if don't care
BTC, ETH, USDC, USDT, EURR, any