Undefined Character (U+1E591)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞖑` `𞖑`
UTF-8 Encoding:	`0xF0 0x9E 0x96 0x91`
UTF-16 Encoding:	`0xD839 0xDD91`
UTF-32 Encoding:	`0x0001E591`

References