403. That’s an error.

Your client does not have permission to get URL /api/manifest/dash/expire/1611699435/ei/i0AQYLidJpiix_APhuW3uAs/ip/191.101.99.15/id/3b9ad8b28019fec9/source/youtube/requiressl/yes/playback_host/r4---sn-4g5ednz7.googlevideo.com/mh/Ao/mm/31%2C29/mn/sn-4g5ednz7%2Csn-4g5e6nl7/ms/au%2Crdu/mv/m/mvi/4/pl/20/hfr/all/as/fmp4_audio_clear%2Cwebm_audio_clear%2Cwebm2_audio_clear%2Cfmp4_sd_hd_clear%2Cwebm2_sd_hd_clear/initcwndbps/1315000/vprv/1/mt/1611677082/fvip/4/keepalive/yes/itag/0/sparams/expire%2Cei%2Cip%2Cid%2Csource%2Crequiressl%2Chfr%2Cas%2Cvprv%2Citag/sig/AOq0QJ8wRAIgQzcXVk3H1kR2PVpJIlSvMA8uIgSxXsbYxuwb9zPY4LICIEf455QmoAmdNI4i8jCubtEG16HRq_fec2U_F3XUUEBM/lsparams/playback_host%2Cmh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps/lsig/AG3C_xAwRgIhALIytk5yvRU8eGTZ8d2GfVucRHTyLNTN5kxl4mC1KiNAAiEArM2E-naZOLMKtPkZD6mx-E5-2vKtKCI0JVqjPZZvfSc%3D from this server. That’s all we know.