{
  "manageEntity": {
    "action": "Create",
    "entityId": "224531544",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":224531544,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Ambient\",\"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\":\"Stillness Carries Sound\",\"duration\":239,\"audio_upload_id\":\"9a441fa35e6b523cae7af5ba187c4a97\",\"track_cid\":\"baeaaaiqseaeneilgydptqychyrj2nzdgstz5paxmilsvxzgmutmhvljfsnnpu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedqqcqlevijrlj74pmhzijhh2dq6h3w64jm4epnoz2c2xo4eomx6a\",\"orig_filename\":\"cfefbd1a-006e-4a99-845c-01cd9312e402.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":82,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":994273271,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedjvfkymdywbqd2znijnodbtcmtxn6stghjuih2fye5zn7lxuzcse\"}}",
    "nonce": "0x69b3153e8d60e6c8ff1ebe1f528408ecb07e8cd79198c7d9083d61a17ee68745",
    "signature": "0x4a0b834ece322b1accfa0f8410c1015a7fd4dc87b7ed069540cc49f9926300311b2a36ab3657eb602badc1e2c01f391031afbbd922f2c295a69db67eb5c5bc831c",
    "signer": "0xF5771F55BBFfE8bC7930954AdCC1BAD77452b5Ba",
    "userId": "994273271"
  }
}