File: WebAPI/otc_1.proto
Hedge books subscription.
Limits: The number of simultaneous requests with subscription for updates is 1 per OTC instance by default.
Response: HedgeBooksReport.
Type: bool
Default: true
Description: If set to true - subscribe to changes, if false - drop subscription.
Type: uint32
Description: OTC instance ID.
Source: OtcInstanceState.instance_id.