{
  "manageEntity": {
    "action": "Create",
    "entityId": "1502572253",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1502572253,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Drum \u0026 Bass\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Final Cut , Keha ???\",\"duration\":201,\"audio_upload_id\":\"5672adb5db782d302697b85ba06288aa\",\"track_cid\":\"baeaaaiqsebnun45k657xpq25p34e2vyzehfrcsrvi37e3ab6j3ekk3acp5gsg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecj7dz2xhvttrwwkjhszeeqnkmji2pxunqfc462ggitcso7ygi7du\",\"orig_filename\":\"YTDown.com_YouTube_Media_XEgvG_hL2RY_Final-Cut_009_128k.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":87,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":373173,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebzc6qzu4gazk2b4epmtdmznx7tz23k4q2eevwnp3x7nsoxi5o6m4\"}}",
    "nonce": "0x39378eba3f39036423f39a5f706726cebcb56d6991e55aa851d4879612f524e7",
    "signature": "0x325180a3c304762df6b2a435b440784b19c91991ef7a6319790340776dbf83f47087a77ec2be57549d1fd65866288f352e087164432777dc2031f90d3351b8ae1b",
    "signer": "0x2CdceEeabf6dc8403D306e7C20eD1Bc4F95f13cE",
    "userId": "373173"
  }
}