Finish JSON validator, add debug out.
diff --git a/specification/json/sections/cper-unknown.json b/specification/json/sections/cper-unknown.json
new file mode 100644
index 0000000..ea8c8f0
--- /dev/null
+++ b/specification/json/sections/cper-unknown.json
@@ -0,0 +1,12 @@
+{
+    "$id": "cper-json-unknown-section",
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "type": "object",
+    "required": ["data"],
+    "additionalProperties": false,
+    "properties": {
+        "data": {
+            "type": "string"
+        }
+    }
+}
\ No newline at end of file