How to Manually add Base Sepolia to Meta mask.
1. Network name: Base Sepolia
2. New RPC URL: https://sepolia.base.org
3. Chain ID: 84532
4. Currency symbol: ETH
5. Block explorer URL (Optional): https://sepolia.basescan.org
1. Network name: Base Sepolia
2. New RPC URL: https://sepolia.base.org
3. Chain ID: 84532
4. Currency symbol: ETH
5. Block explorer URL (Optional): https://sepolia.basescan.org