diff --git a/include/xrpl/beast/utility/Journal.h b/include/xrpl/beast/utility/Journal.h
index da73a0a3e0..7a15dc6d07 100644
--- a/include/xrpl/beast/utility/Journal.h
+++ b/include/xrpl/beast/utility/Journal.h
@@ -324,6 +324,7 @@ public:
     {
         std::string buffer_;
         detail::SimpleJsonWriter messageParamsWriter_;
+        bool hasMessageParams_ = false;
 
     public:
         JsonLogContext() : messageParamsWriter_(buffer_)
@@ -331,6 +332,26 @@ public:
             buffer_.reserve(1024 * 5);
         }
 
+        void
+        startMessageParams()
+        {
+            if (!hasMessageParams_)
+            {
+                writer().writeKey("Data");
+                writer().startObject();
+                hasMessageParams_ = true;
+            }
+        }
+
+        void
+        endMessageParams()
+        {
+            if (hasMessageParams_)
+            {
+                writer().endObject();
+            }
+        }
+
         detail::SimpleJsonWriter&
         writer()
         {
@@ -1014,6 +1035,7 @@ operator<<(std::ostream& os, LogParameter<T> const& param)
         os << param.value_;
         return os;
     }
+    beast::Journal::currentJsonLogContext_.startMessageParams();
     detail::setJsonValue(
         beast::Journal::currentJsonLogContext_.writer(),
         param.name_,
@@ -1028,6 +1050,7 @@ operator<<(std::ostream& os, LogField<T> const& param)
 {
     if (!beast::Journal::m_jsonLogsEnabled)
         return os;
+    beast::Journal::currentJsonLogContext_.startMessageParams();
     detail::setJsonValue(
         beast::Journal::currentJsonLogContext_.writer(),
         param.name_,
diff --git a/src/libxrpl/basics/Log.cpp b/src/libxrpl/basics/Log.cpp
index b8463b1510..943951dec5 100644
--- a/src/libxrpl/basics/Log.cpp
+++ b/src/libxrpl/basics/Log.cpp
@@ -201,14 +201,14 @@ Logs::write(
         result = s;
     }
 
-    // Console output still immediate for responsiveness
-    if (!silent_)
-        std::cerr << result << '\n';
-
     // Add to batch buffer for file output
     {
         std::lock_guard lock(batchMutex_);
 
+        // Console output still immediate for responsiveness
+        if (!silent_)
+            std::cerr << result << '\n';
+
         size_t logSize = result.size() + 1;  // +1 for newline
 
         // If log won't fit in current write buffer, flush first
diff --git a/src/libxrpl/beast/utility/beast_Journal.cpp b/src/libxrpl/beast/utility/beast_Journal.cpp
index 8c4663ad29..20236e1a5a 100644
--- a/src/libxrpl/beast/utility/beast_Journal.cpp
+++ b/src/libxrpl/beast/utility/beast_Journal.cpp
@@ -216,7 +216,6 @@ Journal::JsonLogContext::reset(
         ThreadIdStringInitializer()
         {
             std::stringstream threadIdStream;
-            threadIdStream.imbue(std::locale::classic());
             threadIdStream << std::this_thread::get_id();
             value = threadIdStream.str();
         }
@@ -229,7 +228,7 @@ Journal::JsonLogContext::reset(
 
     if (!journalAttributesJson.empty())
     {
-        writer().writeKey("JournalParams");
+        writer().writeKey("Jnl");
         writer().writeRaw(journalAttributesJson);
         writer().endObject();
     }
@@ -238,50 +237,45 @@ Journal::JsonLogContext::reset(
         std::shared_lock lock(globalLogAttributesMutex_);
         if (!globalLogAttributesJson_.empty())
         {
-            writer().writeKey("GlobalParams");
+            writer().writeKey("Gbl");
             writer().writeRaw(globalLogAttributesJson_);
             writer().endObject();
         }
     }
 
-    writer().writeKey("ModuleName");
-    writer().writeString(moduleName);
-    writer().writeKey("Metadata");
+    writer().writeKey("Mtd");
     writer().startObject();
 
-    writer().writeKey("Function");
-    writer().writeString(location.function_name());
+    writer().writeKey("Mdl");
+    writer().writeString(moduleName);
 
-    writer().writeKey("File");
+    writer().writeKey("Fl");
+    constexpr size_t FILE_NAME_KEEP_CHARS = 20;
     std::string_view fileName = location.file_name();
-    constexpr size_t KEEP_CHARS = 10;
-    std::string_view trimmedFileName = (fileName.size() > KEEP_CHARS)
-        ? fileName.substr(fileName.size() - KEEP_CHARS)
+    std::string_view trimmedFileName = (fileName.size() > FILE_NAME_KEEP_CHARS)
+        ? fileName.substr(fileName.size() - FILE_NAME_KEEP_CHARS)
         : fileName;
     writer().writeString(trimmedFileName);
 
-    writer().writeKey("Line");
+    writer().writeKey("Ln");
     writer().writeUInt(location.line());
 
-    writer().writeKey("ThreadId");
+    writer().writeKey("ThId");
     writer().writeString(threadId.value);
 
     auto severityStr = to_string(severity);
-    writer().writeKey("Level");
+    writer().writeKey("Lv");
     writer().writeString(severityStr);
 
     auto nowMs = std::chrono::duration_cast<std::chrono::milliseconds>(
                      std::chrono::system_clock::now().time_since_epoch())
                      .count();
-    writer().writeKey("Timestamp");
-    writer().writeInt(nowMs);
-    writer().writeKey("Time");
+    writer().writeKey("Tm");
     writer().writeString(fastTimestampToString(nowMs));
 
     writer().endObject();
 
-    writer().writeKey("MessageParams");
-    writer().startObject();
+    hasMessageParams_ = false;
 }
 
 void
@@ -302,9 +296,9 @@ Journal::formatLog(std::string const& message)
 
     auto& writer = currentJsonLogContext_.writer();
 
-    writer.endObject();
+    currentJsonLogContext_.endMessageParams();
 
-    writer.writeKey("Message");
+    writer.writeKey("Msg");
     writer.writeString(message);
 
     writer.endObject();
diff --git a/src/xrpld/app/consensus/RCLConsensus.cpp b/src/xrpld/app/consensus/RCLConsensus.cpp
index ed54f770b0..4e13edc649 100644
--- a/src/xrpld/app/consensus/RCLConsensus.cpp
+++ b/src/xrpld/app/consensus/RCLConsensus.cpp
@@ -1139,8 +1139,10 @@ RclConsensusLogger::~RclConsensusLogger()
         buffer.clear();
         beast::detail::SimpleJsonWriter writer{buffer};
         writer.startObject();
-        writer.writeKey("Message");
+        writer.writeKey("Msg");
         writer.writeString(outSs.str());
+        writer.writeKey("Tm");
+        writer.writeString(to_string(std::chrono::system_clock::now()));
         writer.endObject();
         j_.sink().writeAlways(beast::severities::kInfo, writer.finish());
     }