{
  "manageEntity": {
    "action": "Create",
    "entityId": "858107405",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":858107405,\"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,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Fearless S\",\"duration\":186,\"audio_upload_id\":\"ff05e6a8f08bf327f06fec5421606dc3\",\"track_cid\":\"baeaaaiqseaodrn5ddb5b4e7g3e7fcttxgezisdkzfl2hxrf42pna777nzqzxs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebedkfnqbrhusmzmnns2playvsv57uvrxqmy5cur24orwbnbmgeie\",\"orig_filename\":\"Fearless S.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":115,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111773905,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseczxczonbb6pjdvi73mj4g2bjymv27drizrg5i7dnbtn364yz67q2\"}}",
    "nonce": "0x849cbb9d4299c858f8911b7a9eba8c607e3726e485f488e381a116ee2b753f1b",
    "signature": "0x24bc3da70ab220c2ffbb8769a6488581b967063eb31bdec5f148306bb664528b5db26ea4e704e47a671582a25c60ce6d6a117e4b8b0fdb114f9df53bcc6503ba1c",
    "signer": "0x32103F2493C1CD76aEBfFDeE0Aa889C866CfD2eD",
    "userId": "111773905"
  }
}