Look for string/number in a subkey data

internal/metrics/fullnode.go

@@ -346,14 +346,17 @@ func (s *FullNodeServiceMetrics) SignagePoint(resp *types.WebsocketResponse) {
 // Expects map[string]number - where number is able to be parsed into a float64 type
 // Assigns the key (string) as the "key" label on the metric, and passes the value straight through
 func (s *FullNodeServiceMetrics) Debug(resp *types.WebsocketResponse) {
-	debugMetrics := map[string]float64{}
+	type debugEvent struct {
+		Data map[string]float64 `json:"data"`
+	}
+	debugMetrics := debugEvent{}
 	err := json.Unmarshal(resp.Data, &debugMetrics)
 	if err != nil {
 		log.Errorf("Error unmarshalling debugMetrics: %s\n", err.Error())
 		return
 	}
 
-	for key, value := range debugMetrics {
+	for key, value := range debugMetrics.Data {
 		s.debug.WithLabelValues(key).Set(value)
 	}
 }