Add QuantNode testnet staking provider (#762)

Co-authored-by: Your Name <[email protected]>

Author: sshamanov

testnet/029526762caf4923182b495dadd137b37ff5a91be324e7b3aa9f0fe13f94291461.json

@@ -1,10 +1,10 @@
 {
   "id": 129,
-  "name": "029526762caf4923182b495dadd137b37ff5a91be324e7b3aa9f0fe13f94291461",
+  "name": "QuantNode",
   "secp": "029526762caf4923182b495dadd137b37ff5a91be324e7b3aa9f0fe13f94291461",
   "bls": "91534e9179bdfbdac3b33fffb1125aeff108861b79c10a9b6bb8b553d53be12d0db72255531e40ede87a88f5ebf89777",
-  "website": "",
-  "description": "",
-  "logo": "",
-  "x": ""
+  "website": "https://quantnode.tech/",
+  "description": "Non-Custodial Staking Provider with an in-house Web3 development arm. Support over 20 mainnets, including Aptos, Avail, Axelar, dYdX, Graph Network, and Sui with assets under delegation exceeding $170M",
+  "logo": "https://raw.githubusercontent.com/QuantNodeTech/identity/refs/heads/main/quantnode256.png",
+  "x": "https://x.com/quantnodetech"
 }