The structure of the “category” object is described below

{
	"category": {
      "type": "FieldValue",
      "key": ""
	}
}

For this definition, only the type FieldValue; On Property Key enter the id of the short text/Paragraph field in Jira Server to add the ASMS case category name, so you can identify the category of the case it is related to from the Jira interface.