{
  "manageEntity": {
    "action": "Update",
    "entityId": "1449615738",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"RAMON\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsed7krds7tydmaiuwtjthd7hvmuymoreej7vliivytbpa5tkcf2u3y\",\"release_date\":\"2026-08-21T23:02:46.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1787359376,\"track_id\":980274411},{\"timestamp\":0,\"metadata_timestamp\":1787359660,\"track_id\":1056512235},{\"timestamp\":0,\"metadata_timestamp\":1787359665,\"track_id\":1358926647}]}}",
    "nonce": "0x935a078155e16c798e88a480b28acea51f77382c13f0b9437d97a8ed716e1093",
    "signature": "0x5bc2448ef1a264bce3fa9131bdbc7258239f71979e0ea8dbbf03b2177cd2427c6d9e9c6cb96930bebeccb4e9c71650b32ec83515691a405acfad42a72df18cbb1c",
    "signer": "0xE837e052F61622F70fAE29E877A7adAA6b3039c8",
    "userId": "550557206"
  }
}