{
  "manageEntity": {
    "action": "Create",
    "entityId": "1455807208",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1455807208,\"description\":\"\\\"I Get Down\\\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"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\":\"lostwave\",\"title\":\"The FreespiritS - Get Down (2008)\",\"duration\":202,\"audio_upload_id\":\"7972e296eea7ca1199e9acb92248db4b\",\"track_cid\":\"baeaaaiqsebr3qzs3cfhfsv3sorcrzn4c2rejdvybiat2h4md5txc5vnp2lr54\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedl6z7c3rgz6ldhxj5lkeks7libqnpaozr3betbpauy5hn6hgtdzk\",\"orig_filename\":\"Vocaroo 15HEGVpQ2rfz.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":130,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":316190259,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea7qgtxnwqacoi3nhdiqmp2vd3oohzytloh7zzzzxtypstuhoer5m\"}}",
    "nonce": "0x2f4920e2f1f27d8daf3a265a7825216eefb85c6e38ecf3a99fab67968ad535fa",
    "signature": "0x758d37c46f50f03761b1027b7a66aff1282326658a6731c915d4974c23a9ff5006535080097edcc8be4628dee55f114cf9beef12c520c755cbf8260aac5fe36a1c",
    "signer": "0x4E6F9F2DC6fd52E64BC4e44e3C13C974fB55439c",
    "userId": "316190259"
  }
}