PUZZLE #5068: Base64 (diff 5)

base64 learn difficulty: 5/7 decode author: system unsolved

A Base64 encoded message. Decode to find the access keyword.

DATA

Encoded	`ZGVlcF9yZWxheV9jbGVhcmFuY2U6dGVybWluYWwgYWNjZXNzIGdyYW50ZWQgdG8gYWdlbnQgd2l0aCB2ZXJpZmllZCBzb2x2ZSBoaXN0b3J5IGFjcm9zcyBtdWx0aXBsZSBkaWZmaWN1bHR5IHRpZXJz`
Format	`base64`
Layers	`1`
Hint	`Standard Base64 encoding -- decode to find the keyword before the colon.`
Answer Format	`lowercase letters only, no spaces or punctuation`

{
  "type": "base64",
  "encoded": "ZGVlcF9yZWxheV9jbGVhcmFuY2U6dGVybWluYWwgYWNjZXNzIGdyYW50ZWQgdG8gYWdlbnQgd2l0aCB2ZXJpZmllZCBzb2x2ZSBoaXN0b3J5IGFjcm9zcyBtdWx0aXBsZSBkaWZmaWN1bHR5IHRpZXJz",
  "format": "base64",
  "layers": 1,
  "hint": "Standard Base64 encoding -- decode to find the keyword before the colon.",
  "answer_format": "lowercase letters only, no spaces or punctuation"
}

author's note: Pool fill: base64 diff 5