{
  "manageEntity": {
    "action": "Update",
    "entityId": "1848865342",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseb7ir6qxforisawbzykehpeok2tfmaqcoukctstdb5voivsiiad6q\",\"release_date\":\"2026-05-05T15:57:35.000Z\",\"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\":1777996683,\"track_id\":1098349710},{\"timestamp\":0,\"metadata_timestamp\":1777996692,\"track_id\":1084198738},{\"timestamp\":0,\"metadata_timestamp\":1777996694,\"track_id\":685733863}]}}",
    "nonce": "0x2786b6146c08ce51eddf99fa92c77419d121deb7332d98da50e8183018087c9d",
    "signature": "0x33ff9eeeca75fe8e901d7b53cebd2571e1cbfa1e429c7f6c577d5445f2bd91da57ca758a532e8ead540cc55a352b102752af1d8b13badb5061b89bbb6cb62cde1c",
    "signer": "0xfb70543D59F8614d11B4D2922bdb1b80Eec0a0dc",
    "userId": "133478614"
  }
}