{
  "manageEntity": {
    "action": "Create",
    "entityId": "1990971312",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1990971312,\"description\":\"https://www.youtube.com/watch?v=qmKc0YlrqOI\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"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\":\"SPOKANKI - Ceann Dubh Dilis \",\"duration\":198,\"audio_upload_id\":\"89e568ae6bdc715b9a7c2f63341a792b\",\"track_cid\":\"baeaaaiqsebczbdho6o4iaq6fb5stl3tcid6bv3lkc2x343h62lruveqrqu73q\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedf24ukq77dfgunweq7gau6bzlp3ef6ojx4s2fgetrgbjs3lugoom\",\"orig_filename\":\"year of the cat .wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":29350,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedwa6mkscncz427euirmafd52kxekq7u2rr2yytau7mvkupbjemne\"}}",
    "nonce": "0x00b3a5d05caf9203618526809c1fea1ffbd4acdd1ec898d8cb7a6b7c57ecbafe",
    "signature": "0x6b11a6971b8779b988a1dd2290dec74b2d5fd588be2c1daf1340b56d6573a66c12bd1848f0a9b63808d02dd5c1891278e01cac7d5db3f693aff65a631f6d89db1c",
    "signer": "0x187Ff4aA42c532804E28e04aC16C30526C459a31",
    "userId": "29350"
  }
}