Changes to Decrease Order (V2)

for the query request parameter subaccount, the min was set to 0.00

the exchange_index request property default value 0 was removed

removed the optional property service from the response with the 400 status

removed the optional property service from the response with the 401 status

removed the optional property service from the response with the 404 status

removed the optional property service from the response with the 500 status

added the new optional request property market_ticker

endpoint added