diff --git a/src/page.h b/src/page.h
index da6073b..078efa9 100644
--- a/src/page.h
+++ b/src/page.h
@@ -690,6 +690,8 @@ public:
             pair<uint64_t, uint64_t> sum_inputs  = sum_xmr_inputs(_tx_info.tx_json);
             pair<uint64_t, uint64_t> sum_outputs = sum_xmr_outputs(_tx_info.tx_json);
 
+            sum_money_in_outputs(_tx_info.tx_json);
+
             // get mixin number in each transaction
             vector<uint64_t> mixin_numbers = get_mixin_no_in_txs(_tx_info.tx_json);
 
diff --git a/src/tools.cpp b/src/tools.cpp
index 1db16d4..6774a39 100644
--- a/src/tools.cpp
+++ b/src/tools.cpp
@@ -306,7 +306,28 @@ sum_money_in_outputs(const transaction& tx)
     return sum_xmr;
 }
 
+pair<uint64_t, uint64_t>
+sum_money_in_outputs(const string& json_str)
+{
+    pair<uint64_t, uint64_t> sum_xmr {0, 0};
+
+    cout << json_str << endl;
+
+
+    json j;
+    try
+    {
+       j = json::parse( json_str);
+    }
+    catch (std::invalid_argument& e)
+    {
+        cerr << "sum_money_in_outputs: " << e.what() << endl;
+    }
 
+    cout << j.dump() << endl;
+
+    return sum_xmr;
+};
 
 uint64_t
 sum_money_in_inputs(const transaction& tx)
diff --git a/src/tools.h b/src/tools.h
index 3d46ee6..6b76ff6 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -47,6 +47,7 @@ namespace pt = boost::posix_time;
 namespace gt = boost::gregorian;
 namespace lt = boost::local_time;
 
+using json = nlohmann::json;
 
 struct outputs_visitor
 {
@@ -126,12 +127,17 @@ get_blockchain_path(const boost::optional<string>& bc_path,
 uint64_t
 sum_money_in_outputs(const transaction& tx);
 
+pair<uint64_t, uint64_t>
+sum_money_in_outputs(const string& json_str);
+
 uint64_t
 sum_money_in_inputs(const transaction& tx);
 
 array<uint64_t, 2>
 sum_money_in_tx(const transaction& tx);
 
+
+
 array<uint64_t, 2>
 sum_money_in_txs(const vector<transaction>& txs);