{
  "manageEntity": {
    "action": "Update",
    "entityId": "301658023",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"2024-05-21_QDC-no158\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"01HYF4WFGY9EEYFHKE1ZW3D0JP\",\"release_date\":\"2025-08-29T14:26:02.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1756477561,\"metadata_timestamp\":1756477561,\"track_id\":411256247},{\"timestamp\":0,\"metadata_timestamp\":1775578751,\"track_id\":1351660294}]}}",
    "nonce": "0x9fe521e05eff5e60d81050813b05a91739888c504f7c9d9785b5cfa2b5f28b87",
    "signature": "0x1956fcb96976cb2e47e1f4dc483c0911c036333f4cafe416e0388f36fceb315512796752fcba3a5435412eb948317dba65dd146cc522858d69ec80c5c2b7fb781c",
    "signer": "0x6dFc659a97343F04dDFC6C31FE4E96E5aF714d2C",
    "userId": "344720853"
  }
}