diff --git a/src/ripple/app/misc/NetworkOPs.cpp b/src/ripple/app/misc/NetworkOPs.cpp
index f2932036e..ded9f36c8 100644
--- a/src/ripple/app/misc/NetworkOPs.cpp
+++ b/src/ripple/app/misc/NetworkOPs.cpp
@@ -1564,11 +1564,14 @@ void NetworkOPsImp::pubManifest (Manifest const& mo)
     {
         Json::Value jvObj (Json::objectValue);
 
-        jvObj [jss::type]        = "manifestReceived";
-        jvObj [jss::master_key]  = toBase58(TokenType::TOKEN_NODE_PUBLIC, mo.masterKey);
-        jvObj [jss::signing_key] = toBase58(TokenType::TOKEN_NODE_PUBLIC, mo.signingKey);
-        jvObj [jss::seq]         = Json::UInt (mo.sequence);
-        jvObj [jss::signature]   = strHex (mo.getSignature ());
+        jvObj [jss::type]             = "manifestReceived";
+        jvObj [jss::master_key]       = toBase58(
+            TokenType::TOKEN_NODE_PUBLIC, mo.masterKey);
+        jvObj [jss::signing_key]      = toBase58(
+            TokenType::TOKEN_NODE_PUBLIC, mo.signingKey);
+        jvObj [jss::seq]              = Json::UInt (mo.sequence);
+        jvObj [jss::signature]        = strHex (mo.getSignature ());
+        jvObj [jss::master_signature] = strHex (mo.getMasterSignature ());
 
         for (auto i = mSubManifests.begin (); i != mSubManifests.end (); )
         {
@@ -2043,7 +2046,7 @@ Json::Value NetworkOPsImp::getServerInfo (bool human, bool admin)
             if (! validation_manifest.lines().empty())
             {
                 std::string s;
-                s.reserve (188);
+                s.reserve (Manifest::textLength);
                 for (auto const& line : validation_manifest.lines())
                     s += beast::rfc2616::trim(line);
                 if (auto mo = make_Manifest (beast::detail::base64_decode(s)))
diff --git a/src/ripple/overlay/impl/Manifest.h b/src/ripple/overlay/impl/Manifest.h
index fd9ca966b..3d9bce89e 100644
--- a/src/ripple/overlay/impl/Manifest.h
+++ b/src/ripple/overlay/impl/Manifest.h
@@ -85,6 +85,8 @@ namespace ripple {
 
 struct Manifest
 {
+    static std::size_t constexpr textLength = 288;
+
     std::string serialized;
     PublicKey masterKey;
     PublicKey signingKey;
diff --git a/src/ripple/overlay/impl/OverlayImpl.cpp b/src/ripple/overlay/impl/OverlayImpl.cpp
index 9eddb9ea1..638866e3a 100644
--- a/src/ripple/overlay/impl/OverlayImpl.cpp
+++ b/src/ripple/overlay/impl/OverlayImpl.cpp
@@ -497,7 +497,7 @@ OverlayImpl::setupValidatorKeyManifests (BasicConfig const& config,
     if (! validation_manifest.lines().empty())
     {
         std::string s;
-        s.reserve (188);
+        s.reserve (Manifest::textLength);
         for (auto const& line : validation_manifest.lines())
             s += beast::rfc2616::trim(line);
         if (auto mo = make_Manifest (beast::detail::base64_decode(s)))
diff --git a/src/ripple/protocol/JsonFields.h b/src/ripple/protocol/JsonFields.h
index 3539dceed..c7bf72601 100644
--- a/src/ripple/protocol/JsonFields.h
+++ b/src/ripple/protocol/JsonFields.h
@@ -264,6 +264,7 @@ JSS ( marker );                     // in/out: AccountTx, AccountOffers,
 JSS ( master_key );                 // out: WalletPropose
 JSS ( master_seed );                // out: WalletPropose
 JSS ( master_seed_hex );            // out: WalletPropose
+JSS ( master_signature );           // out: pubManifest
 JSS ( max_ledger );                 // in/out: LedgerCleaner
 JSS ( max_queue_size );             // out: TxQ
 JSS ( max_spend_drops );            // out: AccountInfo