{
  "manageEntity": {
    "action": "Create",
    "entityId": "395251618",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":395251618,\"description\":\"https://www.beatport.com/release/dazed/5980897\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Dazed\",\"duration\":171,\"audio_upload_id\":\"01KPMJJDWH3FPWB77F2PS4872X\",\"track_cid\":\"baeaaaiqseatyoimty4aud7odcwbg5wfbtvvuibsxyhod6rued6svdzwmoc7tm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb7zgasfiqksf4bnbuv46bwlomcojeby4nwcrim5ia7rh6jfq7epk\",\"orig_filename\":\"dazed%252019jan1pm.3.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"G flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":522150766,\"track_segments\":[],\"cover_art_sizes\":\"01KPMJJ2M2T3K77Z8FQYP9GA9R\",\"audio_analysis_error_count\":0}}",
    "nonce": "0xbaa829b0323999f9259c8ea1d0746b8a367419d4a60b6c92fb759c53078bd117",
    "signature": "0x495222c3e3a05c947421084632433feb25e42c33458086d2a9c1c7d361ba589f37b527f003b9c9b596dced1007d910425c20b6b17aa19223bac95875573ccd631c",
    "signer": "0xc79618e5f3df1B5fe63475574A6b8D1d64c4C877",
    "userId": "522150766"
  }
}