Send in a new order using Web3 authentication.
Web3 authentication using user, signer, nonce, and signature parameters
BUY, SELL LIMIT, MARKET, STOP, TAKE_PROFIT, STOP_MARKET, TAKE_PROFIT_MARKET, TRAILING_STOP_MARKET Ethereum address
Signer Ethereum address
Microsecond timestamp
Ethereum signature
BOTH, LONG, SHORT GTC, IOC, FOK, GTX true, false true, false MARK_PRICE, CONTRACT_PRICE true, false ACK, RESULT Order placed successfully