{ "runtime_id": 1, "types": { "EthereumSignature": { "type": "struct", "type_mapping": [ [ "r", "H256" ], [ "s", "H256" ], [ "v", "u8" ] ] }, "AccountId": "[u8; 20]", "ExtrinsicSignature": "EthereumSignature", "Address": "AccountId", "Log": "EvmLog" }, "versioning": [] }