{
  "manageEntity": {
    "action": "Update",
    "entityId": "1210419250",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecbyvms4rsqxoqtgqloe4qtgbl7j7tmmxqkswns5wrzom4lsrr5yu\",\"release_date\":\"2026-08-23T09:54:59.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1787479019,\"track_id\":1084646},{\"timestamp\":0,\"metadata_timestamp\":1787479028,\"track_id\":1084647},{\"timestamp\":0,\"metadata_timestamp\":1787479035,\"track_id\":1084645},{\"timestamp\":0,\"metadata_timestamp\":1787479044,\"track_id\":1088722},{\"timestamp\":0,\"metadata_timestamp\":1787479054,\"track_id\":1088717}]}}",
    "nonce": "0x8a621735934c2b6f116a11eb341360bbdf05f02d648d805172b8fb5ef518aaf9",
    "signature": "0x014019c225a67c07ed5014e5f1dfe2ef390f70c4e3f40dccaa0eae63ecef46b7055199856c2c0611c572ba51c5eea6f51a9fb26ec9f899b5717b175be2f5e00b1c",
    "signer": "0xEFec33FF65644dee8EaE96E99C93429330B67c16",
    "userId": "513100334"
  }
}