PriceLevel
Represents a price on either the buy or sell side and all the orders at that price
type PriceLevel {
  price: String!
  volume: String!
  numberOfOrders: String!
}
Fields
PriceLevel.price ● String! non-null scalar
The price of all the orders at this level (uint64)
PriceLevel.volume ● String! non-null scalar
The total remaining size of all orders at this level (uint64)
PriceLevel.numberOfOrders ● String! non-null scalar
The number of orders at this price level (uint64)
Member of
MarketDepth  object ● MarketDepthUpdate  object ● ObservableMarketDepth  object ● ObservableMarketDepthUpdate  object