Order book depth by granularity
Method: "depth"
Params
{
symbol: string,
granularity: uint8,
limit: uint8, // can be 5, 10 or 20
}
Result
{
bids: [][]string // {price, size, cumulativeSizeUpToPrice}
asks: [][]string // {price, size, cumulativeSizeUpToPrice},
timestamp: 1715594307, // in ms
}