The term self-gratification is identified in base64 scheme by the sequence c2VsZi1ncmF0aWZpY2F0aW9u, while the MD5 signature is equal to a7846f532823aa47dc03f6b5d31bb88e. The ASCII encoding of self-gratification in hexadecimal notation is 73656c662d67726174696669636174696f6e.