The term advertising agency is identified in base64 scheme by the sequence YWR2ZXJ0aXNpbmcgYWdlbmN5, while the MD5 signature is equal to 6c20a7a18f6551aedae9e53ca97a94e0. The ASCII encoding of advertising agency in hexadecimal notation is 6164766572746973696e67206167656e6379.