{
  "manageEntity": {
    "action": "Update",
    "entityId": "1537806732",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"president\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"01JWP11XAVXB29PZWME788TSWZ\",\"release_date\":\"2026-09-23T03:19:29.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1790133558,\"metadata_timestamp\":0,\"track_id\":529323827}]}}",
    "nonce": "0x5dae267d547bfe3495ddfbc77e431382009a107201251bf1e5baf47b5804f91a",
    "signature": "0x025a7e6195ca98f07347d33b5b020cf5d17b990a91eaf9c0d4b3bcb6094c2aec1c83d9e09cbb7f729298b63b431b318bfdbe80197cd1d5536d26874bca388f2d1b",
    "signer": "0xF87E352dfe47f2c9532a6F5127847cC6460A9958",
    "userId": "502583624"
  }
}