Client-provided order ID. Client order ID's are unique only on open orders. If a client order ID is reused on a new order, the previous order with that ID must be fully filled or canceled before the new order can be placed.
Platforms should ensure that the order_id field is is used to along with the client order ID to uniquely identify an order.

Unique order identifier assigned by the system.

The trading pair for the order.

Fully-qualified user. Format: firms/F-{platform_code}/users/{participant_code}. This value is case sensitive.

Example:- Customer User firms/F-PLAT01/users/CUST01.- Platform User firms/F-PLAT01/users/PLAT01.

HMAC-SHA256 signature of the request, base64-encoded. See the Authentication guide for the exact signing formula.

Current Unix timestamp in seconds. Must be within 60 seconds of server time or the request is rejected.