code: func (h *handler) handleSubscriptionResult(msg *jsonrpcMessage) {
  	var result subscriptionResult
  	if err := json.Unmarshal(msg.Params, &result); err != nil {
  		h.log.Debug("Dropping invalid subscription message")
  		return
  	}
  	if h.clientSubs[result.ID] != nil {
  		h.clientSubs[result.ID].deliver(result.Result)
  	}
  }
docs: // handleSubscriptionResult processes subscription notifications.