{
  "manageEntity": {
    "action": "Update",
    "entityId": "1294304615",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseagwazzb2pjij6nextpng3eclo2qryrvxrmfpqbzxygjvqayegmhs\",\"release_date\":\"2026-04-30T09:35:05.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1777541525,\"metadata_timestamp\":1777541525,\"track_id\":438895},{\"timestamp\":0,\"metadata_timestamp\":1777542116,\"track_id\":2137013338}]}}",
    "nonce": "0x6567b6378cc16235bb5680ea70be29519e7e2b54303d749a50e37c5ac7346ff6",
    "signature": "0x63bb73f942389363a2cebcae294dc8eb5a048ed5b971ae11a822aa2ea6f2f52d6467049247e411987d7ab832575a15e6cf77ae259ba0bc068ae63244390f3cf71b",
    "signer": "0xff56e94800bDdD3478A34765243D06F0240D7BEf",
    "userId": "128375910"
  }
}