403. That’s an error.

Your client does not have permission to get URL /api/manifest/dash/expire/1643263544/ei/2OHxYa6GN5K6gQef7JWQCA/ip/179.61.156.9/id/e6449ebaecd7e155/source/youtube/requiressl/yes/playback_host/rr2---sn-5hnekn7k.googlevideo.com/mh/09/mm/31%2C29/mn/sn-5hnekn7k%2Csn-5hne6nsz/ms/au%2Crdu/mv/u/mvi/2/pl/25/hfr/all/as/fmp4_audio_clear%2Cwebm_audio_clear%2Cwebm2_audio_clear%2Cfmp4_sd_hd_clear%2Cwebm2_sd_hd_clear/vprv/1/mt/1643241211/fvip/2/keepalive/yes/fexp/24001373%2C24007246/itag/0/sparams/expire%2Cei%2Cip%2Cid%2Csource%2Crequiressl%2Chfr%2Cas%2Cvprv%2Citag/sig/AOq0QJ8wRgIhAK0bYW1XcffEeaP91-p_s0-Ql2j-40lcIrPnO7NsSYt0AiEAqhFy2bIo54ygtKT3Py4gnjcBm_sn5z13FNA9Ea1E_V8%3D/lsparams/playback_host%2Cmh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl/lsig/AG3C_xAwRgIhAL0pojJEghC2NpVww8vDsWWPekC1SKHl1zsHSFJ0fVH4AiEAhftYJziKR0u8hGXt2u9k6huNq3cOhO3LXV9rQ8AI8mg%3D from this server. That’s all we know.