diff --git a/src/NATSBridge.jl b/src/NATSBridge.jl
index 4677c53..a5a7faf 100644
--- a/src/NATSBridge.jl
+++ b/src/NATSBridge.jl
@@ -290,7 +290,7 @@ function envelope_to_json(env::msg_envelope_v1)
       payload_obj = Dict{String, Any}(
         "id" => payload.id,
         "dataname" => payload.dataname,
-        "payload_type" => payload.type,
+        "payload_type" => payload.payload_type,
         "transport" => payload.transport,
         "encoding" => payload.encoding,
         "size" => payload.size,
@@ -643,7 +643,7 @@ function _serialize_data(data::Any, payload_type::String)
           error("Binary data must be binary (Vector{UInt8} or IOBuffer)")
       end
   else  # Unknown type
-      error("Unknown payload_type: $type")
+      error("Unknown payload_type: $payload_type")
   end
 end
 
@@ -967,11 +967,10 @@ function plik_oneshot_upload(file_server_url::String, filename::String, data::Ve
   http_response = nothing
   try
     http_response = HTTP.post(url_upload, headers, form)
-    response_json = JSON.parse(http_response.body)
   catch e
-      @error "Request failed" exception=e
+    @error "Request failed" exception=e
   end
-
+  response_json = JSON.parse(http_response.body)
   fileid = response_json["id"]
 
   # url of the uploaded data e.g. "http://192.168.1.20:8080/file/3F62E/4AgGT/test.zip"
@@ -1035,19 +1034,19 @@ function plik_oneshot_upload(file_server_url::String, filepath::String)
   # Equivalent curl command:  curl -X POST --header "X-UploadToken: UPLOAD_TOKEN" -F "file=@PATH_TO_FILE" http://localhost:8080/file/UPLOAD_ID
   url_upload = "$file_server_url/file/$uploadid"
   headers = ["X-UploadToken" => uploadtoken]
-  response = open(filepath, "r") do file_stream
+  http_response = open(filepath, "r") do file_stream
       form = HTTP.Form(Dict("file" => file_stream))
       
       # Adding status_exception=false prevents 4xx/5xx from triggering 'catch'
       HTTP.post(url_upload, headers, form; status_exception = false)
     end
 
-  if !isnothing(response) && response.status == 200
+  if !isnothing(http_response) && http_response.status == 200
       println("Success!")
   else
-      println("Server returned an error code: ", response.status)
+      println("Server returned an error code: ", http_response.status)
   end
-  response_json = JSON.parse(response.body)
+  response_json = JSON.parse(http_response.body)
 
   fileid = response_json["id"]
 
@@ -1057,6 +1056,10 @@ function plik_oneshot_upload(file_server_url::String, filepath::String)
   return Dict("status" => http_response.status, "uploadid" => uploadid, "fileid" => fileid, "url" => url)
 end
 
+function _get_payload_bytes(data)
+  @error "did't implement yet"
+end
+
 
 
 
@@ -1074,6 +1077,4 @@ end
 
 
 
-
-
 end # module