The Man Gesturing OK: Medium Skin Tone emoji is a ZWJ sequence combining ? Person Gesturing OK, ? Medium Skin Tone, Zero Width Joiner and ♂️ Male Sign. These display as a single emoji on supported platforms.
Man Gesturing OK: Medium Skin Tone was added to Emoji 4.0 in 2016.
U+1F646
U+1F3FD
U+200D
U+2642
U+FE0F
??♂️ Face with ok gesture
??♂️ Emoji modifier fitzpatrick type-4
??♂️ Zero width joiner
??♂️ Male sign
??♂️ Variation selector-16