{
  "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}]}}",
    "nonce": "0xf2b3d19d2205546eb465e9e177fdb523627872fc72fb1b3e7f5c0ae45ca77a44",
    "signature": "0x5ac19349de376e61e14d9f3be612800de24fdcbc433e4ee30925e6b1e7f7d34c64d7aead1f14b967b9ae235da69f78f0a76dc7cf14adbf0c4f812e930b105dff1c",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}