{
  "manageEntity": {
    "action": "Create",
    "entityId": "1784407511",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1784407511,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"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\":\"Raise the Glass\",\"duration\":207,\"audio_upload_id\":\"b3b8313af018d74e65a375e2fb9b3f85\",\"track_cid\":\"baeaaaiqsedf4rpipa3et7mfmhh2uhx24gvj67ozd4z2ir3pjrqdgtuyhfcxnk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseafsgt5y46qnqmntriy7w5k6mz23w6uwe2ykie5td2dobkofpts5w\",\"orig_filename\":\"Raise the Glass.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":138,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":974702,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebtpmjep5dh32gs4iyueqouil4lhthvm4liie25hn7s46qzuorjns\"}}",
    "nonce": "0x889d5ae05f5c1ee59f6b62d5f8fa439037d325be38487a699b7471ca254f85da",
    "signature": "0x26c7624855c3e65d40b8fc626c79278bfab5e0d7816a6b64c9c4085fb458a18770bf4d60c35b7fdf99873f834a1f9739507a0717c14bd097664be24f5ca854021c",
    "signer": "0xE1c9AFB78A96B47327FC435D8c3D4834BC6A9141",
    "userId": "974702"
  }
}