{
  "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}]}}",
    "nonce": "0x433c36bf4d25af09a32237ecb2c6c4c6086042d19ad91fa863f40d77045cdd6a",
    "signature": "0x11320d99e219402cbff32dd3f69cce8d5159fb671a8be239441948a781dadf2775c7ecb90c0a3b96515581422497e589011323a61ab6240326fd7ee0f565885c1c",
    "signer": "0x04C504928B4945dAF4D6c8D84353Dc1ab5000C1F",
    "userId": "422886157"
  }
}