diff --git a/_data/chains/eip155-186.json b/_data/chains/eip155-186.json
new file mode 100644
index 00000000..1957ae72
--- /dev/null
+++ b/_data/chains/eip155-186.json
@@ -0,0 +1,23 @@
+{
+  "name": "Seele Mainnet",
+  "chain": "Seele",
+  "network": "mainnet",
+  "rpc": [
+    "https://rpc.seelen.pro/"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Seele",
+    "symbol": "Seele",
+    "decimals": 18
+  },
+  "infoURL": "https://seelen.pro/",
+  "shortName": "Seele",
+  "chainId": 186,
+  "networkId": 186,
+  "explorers": [{
+    "name": "seeleview",
+    "url": "https://seeleview.net/",
+    "standard": "none"
+  }]
+}