Type '{ readonly id: 57; readonly name: "Syscoin Mainnet"; readonly network: "syscoin"; readonly nativeCurrency: { readonly decimals: 18; readonly name: "Syscoin"; readonly symbol: "SYS"; }; readonly rpcUrls: { ...; }; readonly blockExplorers: { ...; }; readonly contracts: { ...; }; }' does not satisfy the expected type 'Chain'.