{
  "manageEntity": {
    "action": "Create",
    "entityId": "2077954981",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2077954981,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"R\u0026B/Soul\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Pipa Slaughter Road（beat）\",\"duration\":200,\"audio_upload_id\":\"b023c1ab8d0b6626a31d7e7852fb32c9\",\"track_cid\":\"baeaaaiqsean4rn5ucoodpqx2l6pgapkwjaf5c2c7nv2syivvw6rtuc2dt4ip6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedstuk4co3gyq4ebacqqviptv33zsdsw2csdjtwgylfpkptkpgfhe\",\"orig_filename\":\"Pipa Slaughter Road（beat）.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":130,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":947140631,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseawlln4srmaza7ggueowiso7r6gwuy5z4fq26rjgaxx7cqhe6edkw\"}}",
    "nonce": "0x368e5f1b7d64c95e4993944f10097fa8136b9f87ebb1cd5bad436760abd95c4f",
    "signature": "0xceb99d4a8f5b8b56b6dca17eccf0554d0c63e3acf17224dc4e50ce7330de9db752204d661b36153cb2e2bfc112281efe621001036fab2b85a30bcd794fe37aa71b",
    "signer": "0xA169dE4d8c253bf06970019E3835E60a57cBeb25",
    "userId": "947140631"
  }
}