diff --git a/evans/marketDataService/subscribe_book.json b/evans/marketDataService/subscribe_book.json
new file mode 100644
index 000000000..6e9a833e7
--- /dev/null
+++ b/evans/marketDataService/subscribe_book.json
@@ -0,0 +1,10 @@
+{
+    "subscriptions": [
+        {
+            "exchange": "kucoin",
+            "symbol": "BTCUSDT",
+            "channel": "BOOK",
+            "depth": "full"
+        }
+    ]
+}