Undefined Character (U+137A7)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓞧` `𓞧`
UTF-8 Encoding:	`0xF0 0x93 0x9E 0xA7`
UTF-16 Encoding:	`0xD80D 0xDFA7`
UTF-32 Encoding:	`0x000137A7`

References