{"SetTradingKeyRequest":{"user":"lopoyu.testnet","trading_key":"NGY4OThmZjdmMTVkYjRiYmY3ODZiNDE3NDlhZjNkM2U5NWRmYjhlOWE0MDc3N2U3ODBlMjg4ZWMxZjg1MDJlMw=="}}