The flag is buried inside this JSON payload. Walk the tree — then handle what you find at the bottom.
{
"meta": {"author": "iliyadindar", "year": 2026},
"data": [
{"kind": "noise", "value": "ignore"},
{"kind": "noise", "value": "keep moving"},
{"kind": "box", "contents": {
"box": {"box": {
"prize_b64": "ZmxhZ3tkZWVwbHktbmVzdGVkLXRyZWFzdXJlfQ=="
}}
}}
]
}
Flag format: flag{...}