SRGI2013 - EPSG:9470

WKT

GEOGCS["SRGI2013", 
	DATUM["Sistem_Referensi_Geospasial_Indonesia_2013", 
		SPHEROID["WGS_1984", 6378137.0, 298.257223563]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["SRGI2013", 
	DYNAMIC[
		FRAMEEPOCH[2012.0]], 
	DATUM["Sistem_Referensi_Geospasial_Indonesia_2013", 
		ELLIPSOID["WGS_1984", 6378137.0, 298.257223563]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "9470"]]

Data from @esri/proj-codes

{
  "wkid": 9470,
  "latestWkid": 9470,
  "macro": "PE_GCS_SRGI2013",
  "name": "SRGI2013",
  "wkt": "GEOGCS[\"SRGI2013\",DATUM[\"Sistem_Referensi_Geospasial_Indonesia_2013\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"SRGI2013\",DYNAMIC[FRAMEEPOCH[2012.0]],DATUM[\"Sistem_Referensi_Geospasial_Indonesia_2013\",ELLIPSOID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"9470\"]]",
  "description": "SRGI2013",
  "authority": "EPSG",
  "version": "9.9(12.8.0)",
  "deprecated": "no",
  "areaname": "Indonesia",
  "extent": {
    "slat": -13.95,
    "nlat": 7.79,
    "llon": 92.01,
    "rlon": 141.46
  },
  "frameEpoch": 2012,
  "deformationModel": ""
}