{
  "manageEntity": {
    "action": "Create",
    "entityId": "462714637",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":462714637,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Warm Silkline\",\"duration\":154,\"audio_upload_id\":\"dbbb4cc744dfd51fd18198f15abc1e6c\",\"track_cid\":\"baeaaaiqsedwdef4bnqdxid7h3bqepn6mfjwfuewda36jldzazzssdoc77wefw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedkmmetod72stqtoenesc7j2reibhf43qhfo2z3lx4m3b33papgrs\",\"orig_filename\":\"Warm Silkline.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\":\"C major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":963693429,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebsr522z5uiwfgrotbogi5genrwalesiojkcwltmyalaytnn7e4qy\"}}",
    "nonce": "0xe33b55ba82edaf35c0f8e6519d23e42d3e33f792532cd64bc7f8fbde1c4fc2eb",
    "signature": "0xaf9c4972909d90d9e4cda96c6258c3fd110659e5761573d5efa15129aaa2e93e11e51d0583dfa850a7327a2e8870502227b03e75f5d76fd6490dbcc695ed10e31c",
    "signer": "0x88BC486FD98ecD9FD8E8c8840569f7884c1cB480",
    "userId": "963693429"
  }
}