Sint Eustatius height - EPSG:10740

WKT

VERTCS["Sint_Eustatius_height", 
	VDATUM["Sint_Eustatius_Vertical_Datum"], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["Sint_Eustatius_height", 
	VDATUM["Sint_Eustatius_Vertical_Datum"], 
	CS[vertical, 1], 
	AXIS["Gravity-related height (H)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["EPSG", "10740"]]

Data from @esri/proj-codes

{
  "wkid": 10740,
  "latestWkid": 10740,
  "macro": "PE_VCS_SINT_EUSTATIUS_HEIGHT",
  "name": "Sint_Eustatius_height",
  "wkt": "VERTCS[\"Sint_Eustatius_height\",VDATUM[\"Sint_Eustatius_Vertical_Datum\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"Sint_Eustatius_height\",VDATUM[\"Sint_Eustatius_Vertical_Datum\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"EPSG\",\"10740\"]]",
  "description": "Sint Eustatius height",
  "authority": "EPSG",
  "version": "11.029(13.5.0)",
  "deprecated": "no",
  "areaname": "BES Islands - Sint Eustatius - onshore",
  "extent": {
    "slat": 17.41,
    "nlat": 17.58,
    "llon": -63.05,
    "rlon": -62.88
  }
}