diff --git a/_data/chains/eip155-43214913.json b/_data/chains/eip155-43214913.json
new file mode 100644
index 00000000..33edb23b
--- /dev/null
+++ b/_data/chains/eip155-43214913.json
@@ -0,0 +1,24 @@
+{
+  "name": "maistestsubnet",
+  "chain": "MAI",
+  "rpc": [
+    "http://174.138.9.169:9650/ext/bc/VUKSzFZKckx4PoZF9gX5QAqLPxbLzvu1vcssPG5QuodaJtdHT/rpc"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "maistestsubnet",
+    "symbol": "MAI",
+    "decimals": 18
+  },
+  "infoURL": "",
+  "shortName": "mais",
+  "chainId": 43214913,
+  "networkId": 43214913,
+  "explorers": [
+    {
+      "name": "maistesntet",
+      "url": "http://174.138.9.169:3006/?network=maistesntet",
+      "standard": "none"
+    }
+  ]
+}