{
  "manageEntity": {
    "action": "Create",
    "entityId": "1197917319",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1197917319,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Trance\",\"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\":\"London\",\"duration\":876,\"audio_upload_id\":\"cde20069ee12712c8a734bed38fee34d\",\"track_cid\":\"baeaaaiqseadjs2m3dhmxebm3xrwx27tzqqyd73c6o7pjwizrhyc6wxuweosg6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed5bhawi6a2pkuei7fmf5z5inw2qifhczcwzkoafqbmmvehqnt2ec\",\"orig_filename\":\"London.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":126,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":849918044,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebfhoyub2qztonyqpw5ppe7fdk4p2ypx2ib2sufizltroj4ybluee\"}}",
    "nonce": "0xfacef806381689301b25d540f52d026d43afb89ca853e7cee8b0fbc43abb42a7",
    "signature": "0x8d9d7d9c9dfca47e04a0d6051358cda16ae37a204ba3b775d9ad175994771a401544a8950d39f94be5d85e1b70f193c23dd5ea9cf11f28c92260d018f0632b871b",
    "signer": "0x2eA69295eDcdC9f8941Fa95AD49DD39D3840F43b",
    "userId": "849918044"
  }
}