{"chainId":"0x66eeb","chainName":"Arbitrum Rinkeby","nativeCurrency":{"name":"Arbitrum Rinkeby Ether","symbol":"ETH","decimals":18},"rpcUrls":["https://rinkeby.arbitrum.io/rpc"],"blockExplorerUrls":["https://testnet.arbiscan.io","https://rinkeby-explorer.arbitrum.io"]}