{
  "arbitrum": {
    "rpc_url": "https://arb1.arbitrum.io/rpc"
  },
  "base": {
    "rpc_url": "https://mainnet.base.org"
  },
  "solana": {
    "rpc_url": "https://api.mainnet-beta.solana.com"
  },
  "sui": {
    "rpc_url": "https://fullnode.mainnet.sui.io"
  }
}