{"chainId":"0x23b","chainName":"MetaChain Mainnet","nativeCurrency":{"name":"Metatime Coin","symbol":"MTC","decimals":18},"rpcUrls":["https://rpc.metatime.com"],"blockExplorerUrls":["https://explorer.metatime.com"],"iconUrls":["ipfs://QmUH2Ph2hW4upvevEAGCaSo7nd8nthqMx5RrHcrnNZ9Y3g"]}