✅ CloudFront Signed URL 생성 결과
실제 URL: https://kong-relay.gscdn.kbs.co.kr/hanminjok/hanminjok/ts:playlist.m3u8
만료 시간 (Epoch): 1772291840

🔗 최종 서명된 URL:
https://kong-relay.gscdn.kbs.co.kr/hanminjok/hanminjok/ts:playlist.m3u8?Expires=1772291840&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9rb25nLXJlbGF5LmdzY2RuLmticy5jby5rci9oYW5taW5qb2svaGFubWluam9rLyoiLCJDb25kaXRpb24iOnsiRGF0ZUxlc3NUaGFuIjp7IkFXUzpFcG9jaFRpbWUiOjE3NzIyOTE4NDB9fX1dfQ__&Signature=UZtAcKQeIqbx-M2xb4tOYg8uLqoYGsiW353V4TunQAAMASgwWjMFHR02uRIUW9y0ZfMwBlOAVkrBWrb6XLih8ArrdH5rMcOBcnvLNrQbCdCHE6O2APNpS8VjG4PSUzuTWLQWg8aky9Ezsa3vLiE7hdyfFm0k9vrziSJqlPrKgwjSGvtNXmEVsaEIZb6ihL-4PIb3ffgLGnvaIOi6IhKMdGCz7EUBLfkJ8jAk9t~~afICNtwG3H48QJQtmsD3KQVd-zY-jF0Ynm8Oi6lybv1zN2o9~5dlqHhCyyKdoA73pwoxtfF1HsAJe2xiYD78MKmwv6rQ161zEPWRXwriF~K63A__&Key-Pair-Id=APKAICDSGT3Y7IXGJ3TA