{
  "manageEntity": {
    "action": "Create",
    "entityId": "121162551",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":121162551,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"AGAINSTYOU\",\"duration\":119,\"audio_upload_id\":\"8a652789f7b738c0348c30d8f12727c2\",\"track_cid\":\"baeaaaiqsed5gsfwyibiisgmg3z756rc3nhthboe2smh6sussdbwe52bsbmecw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedyprynwqx4j54xmlw677lmuflkirbocz4z5rrsr4njjrvb7ykwx6\",\"orig_filename\":\"AGAINSTYOU.m4a\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":109,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":365339732,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseamyt6q5f6q3v4yntr3p4rdshmujmx5lldnz3auaz76kenga22omo\"}}",
    "nonce": "0xb6a4219598ff009b735c83ba2d5f50c50d6b0673868c6f706120d838ce7e5267",
    "signature": "0xe04fb803c327dd00f148472b0661f80c5c871352f108ca668dcfed2b265d911a4ac725851ff9b92c6374ff4ecc0f548d9899a8eb9c9df4703c899347e8e64f711c",
    "signer": "0xaeb41A91F33b8Da504E11bF402D454f4034ef709",
    "userId": "365339732"
  }
}