Check for scope in the metadata

@@ -17,6 +17,7 @@ package org.thingsboard.rule.engine.telemetry;
 
 import com.google.gson.JsonParser;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.util.StringUtils;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNode;
@@ -51,6 +52,8 @@ public class TbMsgAttributesNode implements TbNode {
 
     private TbMsgAttributesNodeConfiguration config;
 
+    private static final String SCOPE = "scope";
+
     @Override
     public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
         this.config = TbNodeUtils.convert(configuration, TbMsgAttributesNodeConfiguration.class);
@@ -64,8 +67,12 @@ public class TbMsgAttributesNode implements TbNode {
         }
         String src = msg.getData();
         Set<AttributeKvEntry> attributes = JsonConverter.convertToAttributes(new JsonParser().parse(src));
-        msg.getMetaData().putValue("scope", config.getScope());
-        ctx.getTelemetryService().saveAndNotify(ctx.getTenantId(), msg.getOriginator(), config.getScope(), new ArrayList<>(attributes), new TelemetryNodeCallback(ctx, msg));
+        String scope = msg.getMetaData().getValue(SCOPE);
+        if (StringUtils.isEmpty(scope)) {
+            scope = config.getScope();
+            msg.getMetaData().putValue("scope", scope);
+        }
+        ctx.getTelemetryService().saveAndNotify(ctx.getTenantId(), msg.getOriginator(), scope, new ArrayList<>(attributes), new TelemetryNodeCallback(ctx, msg));
     }
 
     @Override