{"chainId":"0x4e00d7","chainName":"NumBlock Chain","nativeCurrency":{"name":"NUMB Token","symbol":"NUMB","decimals":18},"rpcUrls":["https://rpc-mainnet.numblock.org"],"blockExplorerUrls":["https://mainnet.numblock.org"],"iconUrls":["ipfs://QmRY72AKDaUwxgPukdfSBj19NfMrmsSm48mdBe9zJcW3jB"]}