import hashlib
import hmac
import base64

request = "Hello World";
secret = "MySecret"

requestBytes = bytes(request.encode('utf-8'))
secretBytes = bytes(secret.encode('utf-8'))
hmacConversion = hmac.new(secretBytes, requestBytes, digestmod=hashlib.sha256).digest()
signature = base64.b64encode(hmacConversion)
print(signature)

b'm4nZSWE3Y/tPXToy/0cJMGpR2qpsXgCnF3tsSiZtYt0='

var secret = "Hello World";
var body = "MySecret";

var hmac = crypto.createHmac("sha256", secret)
                 .update(Buffer.from(body, 'utf-8'))
                 .digest('hex');
console.log(hmac);


var hmac2 = crypto.createHmac("sha256", secret)
                 .update(body, 'utf-8')
                 .digest('hex');
console.log(hmac2);

f1f157335b0982cbba94290163d61582a87352817788b793238817dd631c26d4