It's an HLS stream, not rtmp
Code:
Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.
c:\livestreamer>livestreamer "hlsvariant://http://50.97.49.87:1935/apqp/skysport
s1lsh/playlist.m3u8" best
[cli][info] Found matching plugin stream for URL hlsvariant://http://50.97.49.87
:1935/apqp/skysports1lsh/playlist.m3u8
[cli][info] Available streams: 513k (worst, best)
[cli][info] Opening stream: 513k (hls)
[cli][info] Starting player: 'C:\Program Files (x86)\VideoLAN\VLC\vlc.exe'