const response = await client.geospatial.compute.compute({
  output: {
    "output": {
      stTransform: {
        geometry: {
          ewkt: "SRID=4326;POLYGON((0 0,10 0,10 10,0 10,0 0))"
        },
        srid: 4326,
      }
    }
  }
});

{
  "items": [
    {
      "value": {
        "wkt": "POLYGON((0 0,10.5 0,10.5 10.5,0 10.5,0 0))",
        "srid": 23031
      }
    }
  ]
}