{
  "manageEntity": {
    "action": "Update",
    "entityId": "1881282410",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedeklyqivou6fe7liedlmonrf3bvqkfb4wxlwcepid2erh2f5dir6\",\"release_date\":\"2026-05-11T18:20:36.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1778523673,\"metadata_timestamp\":1778523665,\"track_id\":1755952315},{\"timestamp\":0,\"metadata_timestamp\":1778523679,\"track_id\":889991178}]}}",
    "nonce": "0x6cffb52f9a8ac56076b0fe78667312e02e754a2f93e796124cde293ad088797c",
    "signature": "0x7caa68f373134eceab17efb4441e99e9f4ea81d28835f6f6ecd9cc718321bf07121c8897f440ac3a4228c8a20a5d632167723b2fe607afb5c549ab74f6642d451b",
    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}