{string: {
"id": number,
"last": string,
"lowestAsk": string,
"highestBid": string,
"percentChange": string,
"baseVolume": string,
"quoteVolume": string,
"isFrozen": string,
"postOnly": string,
"marginTradingEnabled": string,
"high24hr": string,
"low24hr": string
}}