completed nflow integration into onboarding

src/main/java/zw/qantra/tm/rest/RestService.java

@@ -139,6 +139,13 @@ public class RestService {
         return  responseEntity;
     }
 
+    public <T> ResponseEntity<T> postAsEntity(String path, Object payload, HttpHeaders headers, Class<T> clazz){
+        // build the request
+        HttpEntity entity = new HttpEntity<>(payload, headers);
+        ResponseEntity responseEntity = this.restTemplate.exchange(path, HttpMethod.POST, entity, clazz);
+        return responseEntity;
+    }
+
     public <T> T postAs(String path, Object payload, HttpHeaders headers, Class<T> clazz){
         // build the request
         HttpEntity entity = new HttpEntity<>(payload, headers);

src/main/java/zw/qantra/tm/rest/RestTemplateInterceptor.java

@@ -33,6 +33,8 @@ public class RestTemplateInterceptor
         String requestBody = new String(reqBody, StandardCharsets.UTF_8);
         if(!isJSONValid(requestBody)) requestBody = toBasicJson(requestBody);
 
+        logger.info("Request Headers: {}", request.getHeaders().toString());
+
         // we don't log file data
         if(request.getHeaders().getContentLength() < 10000){
             logger.info("Request: {}: {}\n{}",