taker_fee_rates_x18: taker fee associated with a given product indexed by product_id. Note: this fee represents the basis point (BPS) on a taker order in x18.
maker_fee_rates_x18: maker fee associated with a given produced indexed by product_id.
withdraw_sequencer_fees: withdraw fees associated with a given product indexed by product_id. Note: this fee represents a fixed amount of product to be deducted as fee in x18.