I am not sure how to reply to OcelotOnesie's comment on this being a duplicate, but dude I don't think it is. That is invisible active mobs and this is frozen invincible false entities
I have got this issue too on 1.14.60 spawned in a custom village
I am not sure how to reply to OcelotOnesie's comment on this being a duplicate, but dude I don't think it is. That is invisible active mobs and this is frozen invincible false entities