ST87 Ouvea - EPSG:4750

WKT

GEOGCS["GCS_ST87_Ouvea", 
	DATUM["D_ST87_Ouvea", 
		SPHEROID["WGS_1984", 6378137.0, 298.257223563]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_ST87_Ouvea", 
	DATUM["D_ST87_Ouvea", 
		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", "4750"]]

Data from @esri/proj-codes

{
  "wkid": 4750,
  "latestWkid": 4750,
  "macro": "PE_GCS_ST87_OUVEA",
  "name": "GCS_ST87_Ouvea",
  "wkt": "GEOGCS[\"GCS_ST87_Ouvea\",DATUM[\"D_ST87_Ouvea\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_ST87_Ouvea\",DATUM[\"D_ST87_Ouvea\",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\",\"4750\"]]",
  "description": "ST87 Ouvea",
  "authority": "EPSG",
  "version": "6.11(9.3.0.0)",
  "deprecated": "no",
  "areaname": "New Caledonia - Ouvea",
  "extent": {
    "slat": -20.77,
    "nlat": -20.34,
    "llon": 166.44,
    "rlon": 166.71
  }
}