GD…RV2FCM [FCM Token Issuer]
And
GC…LYMXY7 [SomeoneAny] ⭐⭐⭐⭐⭐

The connection between two accounts: which tags they have set on each other.

GD…RV2FCM [FCM Token Issuer]	Links direction	GC…LYMXY7 [SomeoneAny] ⭐⭐⭐⭐⭐
mtl_delegate	⮕