{
  "manageEntity": {
    "action": "Create",
    "entityId": "1540631500",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1540631500,\"description\":\"Fully composed mixed and mastered by me! Please listen and enjoy!\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"All rights reserved\",\"mood\":\"Gritty\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Prolonged Misery (1)\",\"duration\":244,\"audio_upload_id\":\"e7246ba7760b51a5a8f8c407ad727e8e\",\"track_cid\":\"baeaaaiqsecuewdu4ygwyd6v5ynhfpwfzv7fhwvzttshtp4jzhnj7dvqhtra2c\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecoybgc6uy2ikclovuo5up5isl5fuzdbdtwweurkavz2zwpkorkja\",\"orig_filename\":\"Prolonged Misery (1).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":73836390,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedmazeeqzy6bkkxeofdkgjxqzcfjdqa22r2qyutw53b2h2kxfs37w\"}}",
    "nonce": "0x1892b8c541e73f2853aa1bbe62bebbb14a2ee65c50fbe29fab7787ae836d075f",
    "signature": "0xafda30e5872e55cba17ed2c6a3258a35d19b46c6fb040636e1e3bc51cafd9897620d0e2042499a60739204a68afbef444889891f72615bb6de60d4b1d01c81671c",
    "signer": "0xB31acA9A21de86F7F878Bf0c63F63baa2Be13861",
    "userId": "73836390"
  }
}