Don't do this:

log.Println("[INFO] Reading version: ", string(buildBytes))
	} else {
		log.Println("[ERROR] Unable to read /opt/build_version.json file:", err)
Generates too much spam

messages.go

@@ -28,7 +28,6 @@ package messages
 
 import (
 	"encoding/json"
-	"log"
 	"math"
 	"math/rand"
 	"os"
@@ -966,41 +965,38 @@ type StatusMessage struct {
 	States map[string]bool `json:"states,omitempty"`
 }
 
+type BleServiceData struct {
+	UUID string `json:"uuid,omitempty"`
+	Name string `json:"name,omitempty"`
+	Data []byte `json:"data,omitempty"`
+}
+
 type BleManufacturerData struct {
 	CompanyId uint16 `json:"company_id,omitempty"`
 	Name      string `json:"name,omitempty"`
 	Data      []byte `json:"data,omitempty"`
 }
 
-type BleAdvertisementPayload struct {
-	LocalName        string                `json:"localName,omitempty"`
+type BleDevice struct {
+	Address          string                `json:"address,omitempty"`
+	RSSI             int16                 `json:"rssi,omitempty"`
+	Name             string                `json:"name,omitempty"`
 	ManufacturerData []BleManufacturerData `json:"companies,omitempty"`
 }
 
-type BleDevice struct {
-	Address       string                  `json:"address,omitempty"`
-	RSSI          int16                   `json:"rssi,omitempty"`
-	Name          string                  `json:"name,omitempty"`
-	Advertisement BleAdvertisementPayload `json:"advertisement,omitempty"`
-}
-
 type BleAdvertisementMessage struct {
-	Header  MessageHeader `json:"header,omitempty"`
-	Devices BleDevice     `json:"device,omitempty"`
+	Header MessageHeader `json:"header,omitempty"`
+	Device BleDevice     `json:"device,omitempty"`
 }
 
 // noinspection GoUnusedExportedFunction
 func CreateHeader(status int, location string) MessageHeader {
-
 	// Do we have a build version?
 	//
 	var build BuildVersion
 	buildBytes, err := os.ReadFile("/opt/build_version.json")
 	if err == nil {
 		err = json.Unmarshal(buildBytes, &build)
-		log.Println("[INFO] Reading version: ", string(buildBytes))
-	} else {
-		log.Println("[ERROR] Unable to read /opt/build_version.json file:", err)
 	}
 
 	// Build Message Header