{"chainId":"0x698","chainName":"LUDAN Mainnet","nativeCurrency":{"name":"LUDAN","symbol":"LUDAN","decimals":18},"rpcUrls":["https://rpc.ludan.org/"],"iconUrls":["ipfs://bafkreigzeanzqgxrzzep45t776ovbwi242poqxbryuu2go5eedeuwwcsay"]}