as free user you can watch/download only one stream at a time on chaturbate.
http://www.nirsoft.net/utils/rtmp_dump_helper.html
RTMP Proxy Server v2.4 GIT-2015-12-14 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu; license: GPL
Streaming on rtmp://0.0.0.0:1935
WARNING: Trying different position for client digest!
Processing connect
app : live-edge
flashVer : WIN 25,0,0,127
swfUrl :
https://chaturbate.com/static/flash/CBV_2p661.swf
tcUrl : rtmp://edge82.stream.highwebmedia.com/live-edge
pageUrl :
https://chaturbate.com/babyjas/
live : yes
Playpath : mp4:rtmp://origin22.stream.highwebmedia.com/live-origin/babyjas-sd-
63d79341493110804bdb90620fbd5974ba1105acd20f813f13 bd52ee0def2172
Saving as : 2017-03-17_07-53-17_babyjas-sd-63d79341493110804bdb90620fbd5974ba11
05acd20f813f13bd52ee0def2172.flv
WARNING: ignoring too small audio packet: size: 0
rtmpdump -v -r "rtmp://edge82.stream.highwebmedia.com/live-edge" ^
-a "live-edge" ^
-f "WIN 25,0,0,127" ^
-W "https://chaturbate.com/static/flash/CBV_2p661.swf" ^
-p "https://chaturbate.com/babyjas/" ^
-C S:AnonymousUser -C S:babyjas -C S:2.661 -C S:anonymous ^
-C S:01dd47b21eec6e968f23f916111621ca1ed7067582ead633 05c10987ea736488 ^
-C S:{"username":"__anonymous__OPX5O1zU","org":"ATL", "expire":1489737213,"sig":"0532576697f86311abd22c2 227fc8e69506e0f73428c6a8e3e3c68800a5f0e46","room": "babyjas"} ^
-y "mp4:rtmp://origin22.stream.highwebmedia.com/live-origin/babyjas-sd-63d79341493110804bdb90620fbd5974ba1105acd20f813f13 bd52ee0def2172" ^
-o "babyjas-sd-63d79341493110804bdb90620fbd5974ba1105acd20f813f13 bd52ee0def2172.flv"
C:\>rtmpdump -v -r "rtmp://edge82.stream.highwebmedia.com/live-edge" -a "live-edge" -f "WIN 25,0,0,127" -W "https://chat
urbate.com/static/flash/CBV_2p661.swf" -p "https://chaturbate.com/babyjas/" -C S:AnonymousUser -C S:babyjas -C S:2.661 -
C S:anonymous -C S:01dd47b21eec6e968f23f916111621ca1ed7067582ead633 05c10987ea736488 -C S:{"username":"__anonymous__OPX5O
1zU","org":"ATL","expire":1489737213,"sig":"053257 6697f86311abd22c2227fc8e69506e0f73428c6a8e3e3c6880 0a5f0e46","room":"ba
byjas"} -y "mp4:rtmp://origin22.stream.highwebmedia.com/live-origin/babyjas-sd-63d79341493110804bdb90620fbd5974ba1105acd
20f813f13bd52ee0def2172" -o "babyjas-sd-63d79341493110804bdb90620fbd5974ba1105acd20f813f13 bd52ee0def2172.flv"
RTMPDump v2.4 GIT-2015-12-14 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
Starting Live Stream
1735.447 kB / 7.10 sec