Send new order - single V2.
POST/v2/quote/new-order-single
FIX 4.2 <D> message. The new order message type is used by institutions wishing to electronically submit forex orders to a broker for execution.
As a new order message is sent to a specific participant, the gateway has to be instructed separately about who to sign this request for. This is done via HTTP header 'rtgs-global-signed-for', that should be set to the RTGS.global Id of the counterparty participant.