diff --git a/src/utils/json.go b/src/utils/json.go
new file mode 100644
index 0000000..17feeba
--- /dev/null
+++ b/src/utils/json.go
@@ -0,0 +1,17 @@
+
+package utils
+
+//  JsonGetInt64
+//    performs float64 (json numbers are always float64)
+//    type assertion and casts to int64.
+//
+//    if the type assertion fails, the function defaults 0 (zero).
+// ---------------------------------------------------------
+
+func JsonGetInt64(input interface{}) (int64) {
+	v, res := input.(float64)
+	if res {
+		return (int64) (v)
+	}
+	return 0
+}