at Type Buffer Example var acc = Account.NewAccount(); var tx = new Transaction({ chainID: 1, from: acc, to: \"n1SAeQRVn33bamxN4ehWUT7JGdxipwn8b17\", value: 10, nonce: 12, gasPrice: 1000000, gasLimit: 2000000 }); tx.signTransaction(); var txHash = tx.toProto(); // Uint8Array(127) toProtoString() Convert transaction to Protobuf hash string. Note: Transaction should be sign before converting. Returns: Transaction string. Type Base64 Example var acc = Account.NewAccount(); var tx = new Transaction({ chainID: 1