The term official document is identified in base64 scheme by the sequence b2ZmaWNpYWwgZG9jdW1lbnQ=, while the MD5 signature is equal to 97ca71c60fdae8c8021019d3515a6bd3. The ASCII encoding of official document in hexadecimal notation is 6f6666696369616c20646f63756d656e74.