{"chainId":"0xd07","chainName":"QuarkChain L2 Beta Testnet","nativeCurrency":{"name":"QKC","symbol":"QKC","decimals":18},"rpcUrls":["https://rpc.beta.testnet.l2.quarkchain.io:8545"],"blockExplorerUrls":["https://explorer.beta.testnet.l2.quarkchain.io"]}