The term machine-controlled is identified in base64 scheme by the sequence bWFjaGluZS1jb250cm9sbGVk, while the MD5 signature is equal to 7126563ed2bd6cffd454f845d1fc5bff. The ASCII encoding of machine-controlled in hexadecimal notation is 6d616368696e652d636f6e74726f6c6c6564.