{
  "manageEntity": {
    "action": "Update",
    "entityId": "2147223648",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Songs of Varisia\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsebmnosguzliqthqp5mja7no4q3fv67qilqdrm5lzzkr563yxsakvo\",\"release_date\":\"2026-06-12T14:50:06.000Z\",\"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\":1781344248,\"track_id\":452147872},{\"timestamp\":0,\"metadata_timestamp\":1781344252,\"track_id\":578532913},{\"timestamp\":0,\"metadata_timestamp\":1781344256,\"track_id\":616862955},{\"timestamp\":0,\"metadata_timestamp\":1781344262,\"track_id\":718977510},{\"timestamp\":0,\"metadata_timestamp\":1781344266,\"track_id\":932860428}]}}",
    "nonce": "0x9515635b37380049b2eb12cc0ca853781daa5a9f24725736ea14ce73c02745f0",
    "signature": "0x28d8b8ab84267a828951bffa567945730b71aebf97150dc955244ecafaf3cbb941c1d4e42273c0b9f948d7ab5b021de9b7e19040ffefa6d20c36bcd697c69e7c1b",
    "signer": "0xe40c39BfF751e8FB62fdf2D5Daf335da9CE9bB7d",
    "userId": "223054868"
  }
}