I found the hubs in communities based on centrality value and degree.

Community1

Community2

Community3

Community4

Community5

Community6

*Link

https://postechackr-my.sharepoint.com/personal/juhpark_postech_ac_kr/_layouts/15/onedrive.aspx?originalPath=aHR0cHM6Ly9wb3N0ZWNoYWNrci1teS5zaGFyZXBvaW50LmNvbS86ZjovZy9wZXJzb25hbC9qdWhwYXJrX3Bvc3RlY2hfYWNfa3IvRW1jVUZLV0dzRkpMc3hXU21Kck1ydElCd3VzaXdxM1ZRdzBxb21pTy1EYzNLdz9ydGltZT1LalkyMGtKOTEwZw&id=%2Fpersonal%2Fjuhpark%5Fpostech%5Fac%5Fkr%2FDocuments%2FPDI%20Lab%2FChang%20Mi%2F1210