Markets
curl -X GET "https://example.com/book/string"{
"market": "string",
"asset_id": "string",
"timestamp": "string",
"hash": "string",
"bids": [
{
"price": "string",
"size": "string"
}
],
"asks": [
{
"price": "string",
"size": "string"
}
]
}