{
  "manageEntity": {
    "action": "Update",
    "entityId": "1219668067",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist by Prof. Manuel GAGO FERNÁNDEZ\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseacen2o5mzhnllm4fcffq5ysrt5icjl7e342fg6cb633x7u5hhouq\",\"release_date\":\"2026-06-09T16:27:30.000Z\",\"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\":1781022513,\"track_id\":1765257486},{\"timestamp\":0,\"metadata_timestamp\":1781022529,\"track_id\":152867001}]}}",
    "nonce": "0xfefc6f559a40c1b0cebb004c3e924a9f101da7a46d23066a3dc3fc9f7e90d85a",
    "signature": "0x02bab4b274fcacec484b34bdb0b674b4fa3c6fe59fb8f8cb3cd4edb37894275a49340d54e858cdc7e91f12d95e9298055690991628da2bda169a3b49dbbf5dc91c",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}