The incident happened during the 22nd over of South Africa's innings when Rana gestured towards the dressing room after dismissing Proteas batter Dewald Brevis.
The 25-year-old, born in Epsom in the Surrey county of England, joined Chelsea in 2018 after playing for grassroots teams Bookham Colts, Leatherhead Predators, and Epsom Eagles.
Healy, who took over the role from Lanning following the two-time ICC Women’s Cricket World Cup winner’s retirement from international cricket at the end of 2023, is now 35 and gradually nearing the twilight of her career.