{
  "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\":0,\"metadata_timestamp\":1775326358,\"track_id\":1748452831},{\"timestamp\":0,\"metadata_timestamp\":1775326368,\"track_id\":1564499856}]}}",
    "nonce": "0x8ffacc56bde72ceac9fd0936652fa305d16d7864bfc997510a739c14ea98f26f",
    "signature": "0xa6de2253a746d761c0740690c7484796eac7ab9a8e54592342547448b6c96ada78ce83c2cb15e8179cd70e048ce6a54cf2e069bc135136209ad278e53fc20f051c",
    "signer": "0x04C504928B4945dAF4D6c8D84353Dc1ab5000C1F",
    "userId": "422886157"
  }
}