diff --git a/fallback_custom_overlays.json b/fallback_custom_overlays.json
new file mode 100644
index 0000000..7698b78
--- /dev/null
+++ b/fallback_custom_overlays.json
@@ -0,0 +1,40 @@
+{
+	"mainnet": {
+		"46F2E0365217E9DCFC1EB295A99375896F49B813D87BB023FDF0DDD3DD871F50": {
+			"msg_sender": true,
+			"msg_sender_priority": 9
+		},
+		"5AD562752E909F3097AF28E889E9D18639D872A2311C1BAD8099AD256C224E1C": {
+			"msg_sender": true,
+			"msg_sender_priority": 9
+		},
+		"7C738C71170377475DF5FAE89A268C56E42C275E41C92FF8B4993A13DDEC8D8D": {
+			"msg_sender": true,
+			"msg_sender_priority": 11
+		},
+		"34AAC1E33661A7111FBA8F44542AFFA2E7AEA1B5C7C3AC17B856289DB083F586": {
+			"msg_sender": true,
+			"msg_sender_priority": 11
+		},
+		"@validators": true
+	},
+	"testnet": {
+		"DF27B30444D07087863B77F8BD27BABA8E57EDECA393605F6610FDCB64FFECD1": {
+			"msg_sender": true,
+			"msg_sender_priority": 14
+		},
+		"B360D229CA597906ADFC522FAC3EB5F8AE9D80981693225E7083577A4F016118": {
+			"msg_sender": true,
+			"msg_sender_priority": 10
+		},
+		"F794DE0B21423B6F4C168C5652758E5743CD977ACE13B3B2BA88E28580D9BEDB": {
+			"msg_sender": true,
+			"msg_sender_priority": 10
+		},
+		"6447CEAC80573AF2ABCA741FC940BB690AC263DC4B779FB6609CE5E9A4B31AE1": {
+			"msg_sender": true,
+			"msg_sender_priority": 5
+		},
+		"@validators": true
+	}
+}