Superscript Values into ElasticSearch

How to load superscript values eg: ™ into Elasticsearch?

Example

I tried to load this data Cell Signaling MAPmate™ into one field in ElasticSearch and it is giving MapperParsingException[failed to parse [data]]; nested: JsonParseException[Invalid UTF-8 start byte 0x99 .Can anyone suggest is there a way to load superscript values?