I got the api file
http://api.mytv.tvb.com/rest_user_subscription_api/video_path/format/json?id=259835

{"profiles":{"low":{"Cantonese":"rtmpe:\/\/wowza.stream.tvb.com\/vipo\/_definst_\/mp4:vipo\/mytvsuper9\/8956\/895505\/000001208861.mp4?ts=1477813675&sig=48832cec1b57675 f82539e1650818466&audioindex=0"},"high":{"Cantones e":"rtmpe:\/\/wowza.stream.tvb.com\/vipo\/_definst_\/mp4:vipo\/mytvsuper9\/8956\/895505\/000001208862.mp4?ts=1477813675&sig=e988b7a9bdd7fed a6c60999ea229f85c&audioindex=0"},"hd":{"Cantonese" :"rtmpe:\/\/wowza.stream.tvb.com\/vipo\/_definst_\/mp4:vipo\/mytvsuper9\/8956\/895505\/000001208864.mp4?ts=1477813675&sig=4eb81d67a157c20 391643d4d868e5f10&audioindex=0"},"auto":{"Cantones e":"rtmpe:\/\/wowza.stream.tvb.com\/vipo\/_definst_\/mp4:vipo\/mytvsuper9\/8956\/895505\/895505_mobile_auto.mp4?ts=1477813675&sig=5d62e7bab f35d58beec9b6740609b587&audioindex=0"}},"is_drm":f alse,"protocol":"hls","breakpoints":[{"id":304766,"video_id":259835,"time":792.96,"crea ted_at":"2016-06-28 21:54:52","updated_at":"2016-10-24 15:48:07"}],"opening_start_at":["0"],"subtitle":{"tc":"http:\/\/img.tvb.com\/he\/subtitle\/2544\/254360_tc.xml"},"is_pay":0,"duration":1534.48,"cha pters":[]}

however I got "server error" by dumping the link rtmpe://wowza.stream.tvb.com/vipo/_definst_/mp4:vipo/mytvsuper9/8956/895505/000001208861.mp4
what should i do?