{
  "manageEntity": {
    "action": "Create",
    "entityId": "711020345",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":711020345,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Sunken Dreams\",\"duration\":322,\"audio_upload_id\":\"53499f87580c3f609030fd4642ffedda\",\"track_cid\":\"baeaaaiqseafrudzjbtvjawojwnbcyf6algm7lik7qpytsonhbwzaju7uoetdy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedfo5jcz63rombspkpdbbk3odiz4chla4tqn7ypdsvfaeulwl3aqu\",\"orig_filename\":\"Sunken Dreams.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":139,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":562613548,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedmux3ycybu37dp3zg453w32hx6k7ivfsrbmimkrzmp5xskjpczne\"}}",
    "nonce": "0xecec73346d625978e120e5ee1637f5afd5b2425ac8368699ca45636765ae6eb5",
    "signature": "0x5334d8aaf355a118d0be4ad9c4bdb9bc0564a3f9880b700cf56a054acd54175826f1dfded4caf0d0289e10402fb39734c8612cafdefad88443a0efaba03321ff1c",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}