{
  "manageEntity": {
    "action": "Update",
    "entityId": "1641974704",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseakfr7llla6dxn5pf4lk2gjuwj5x7ti5mkh5pkv3zmpana3wvcqp4\",\"release_date\":\"2026-03-26T16:28:01.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1774542596,\"metadata_timestamp\":1774542596,\"track_id\":994377983},{\"timestamp\":1774542697,\"metadata_timestamp\":1774542696,\"track_id\":1565902235},{\"timestamp\":0,\"metadata_timestamp\":1774544550,\"track_id\":599363}]}}",
    "nonce": "0x65ddfcfbb71079932e057665c27b3063576dbc933ecbf7a2f27f6dfa76bf35ea",
    "signature": "0x639b1b7b57330e5c397ce7ecf3b014bdc7ea13e533554fb1a5fba9c4519acdc472044e24811e2add3197846be62272448ba2b59d30e76489109614c7cadd75701c",
    "signer": "0x8b4A6f1fa7017dBD6f59f13e1E0a70C5c8c2e787",
    "userId": "677355056"
  }
}