{"chainId":"0x16b","chainName":"Theta Sapphire Testnet","nativeCurrency":{"name":"Theta Fuel","symbol":"TFUEL","decimals":18},"rpcUrls":["https://eth-rpc-api-sapphire.thetatoken.org/rpc"],"blockExplorerUrls":["https://guardian-testnet-sapphire-explorer.thetatoken.org"]}