{
  "manageEntity": {
    "action": "Update",
    "entityId": "1913140587",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecozwjhhq4nfekwzpddtg5jbjwmkernvpljnsemwjaqtpmdutqrqm\",\"release_date\":\"2026-02-08T03:32:14.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1775326358,\"metadata_timestamp\":0,\"track_id\":1748452831},{\"timestamp\":1775326368,\"metadata_timestamp\":0,\"track_id\":1564499856}]}}",
    "nonce": "0x20fb155c93c22b24d91a86b43da64a415f19b502f7ed326609a43f2d8d6d4d01",
    "signature": "0xc83d51c225b1078296f62d1d9f3f4d0bfebe9325906b5ed33d82197a739751884dd7bf44991ecc3bcfa5e078b2856c23b0e53eac9af82789d0bab0f566b81e611b",
    "signer": "0x04C504928B4945dAF4D6c8D84353Dc1ab5000C1F",
    "userId": "422886157"
  }
}