The term prime interest rate is identified in base64 scheme by the sequence cHJpbWUgaW50ZXJlc3QgcmF0ZQ==, while the MD5 signature is equal to 1362923ee54895ea28f2d6e8546d4c15. The ASCII encoding of prime interest rate in hexadecimal notation is 7072696d6520696e7465726573742072617465.