SRGI2013 - ESRI:115906

WKT

VERTCS["SRGI2013", 
	DATUM["Sistem_Referensi_Geospasial_Indonesia_2013", 
		SPHEROID["WGS_1984", 6378137.0, 298.257223563]], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["SRGI2013", 
	DYNAMIC[
		FRAMEEPOCH[2012.0]], 
	DATUM["Sistem_Referensi_Geospasial_Indonesia_2013", 
		ELLIPSOID["WGS_1984", 6378137.0, 298.257223563]], 
	CS[vertical, 1], 
	AXIS["Ellipsoidal height (h)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["Esri", "115906"]]

Data from @esri/proj-codes

{
  "wkid": 115906,
  "latestWkid": 115906,
  "macro": "PE_VCS_SRGI2013",
  "name": "SRGI2013",
  "wkt": "VERTCS[\"SRGI2013\",DATUM[\"Sistem_Referensi_Geospasial_Indonesia_2013\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"SRGI2013\",DYNAMIC[FRAMEEPOCH[2012.0]],DATUM[\"Sistem_Referensi_Geospasial_Indonesia_2013\",ELLIPSOID[\"WGS_1984\",6378137.0,298.257223563]],CS[vertical,1],AXIS[\"Ellipsoidal height (h)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"Esri\",\"115906\"]]",
  "description": "SRGI2013",
  "authority": "Esri",
  "version": "13.2.0",
  "deprecated": "no",
  "areaname": "Indonesia",
  "extent": {
    "slat": -13.95,
    "nlat": 7.79,
    "llon": 92.01,
    "rlon": 141.46
  }
}