Get pension group

curl --request GET \
  --url https://api.sandbox.flowpayroll.ai/v1/pension/pension-group/{id}

{
  "message": {
    "text": "<string>",
    "token": "<string>",
    "tokenArguments": [
      {
        "name": "<string>",
        "value": "<string>"
      }
    ]
  },
  "content": {
    "data": {
      "id": "<string>",
      "organisationId": "<string>",
      "pensionSchemaId": "<string>",
      "name": "<string>",
      "isDefault": true,
      "pensionType": "<string>",
      "isSalarySacrifice": true,
      "basis": "<string>",
      "employeeFactor": 123,
      "employerFactor": 123,
      "nationalInsuranceSavingsFactor": 123,
      "createdBy": "<string>",
      "createdDate": "2023-11-07T05:31:56Z",
      "updatedBy": "<string>",
      "updatedDate": "2023-11-07T05:31:56Z"
    },
    "metadata": {
      "dateFormat": "<string>",
      "dateTimeFormat": "<string>"
    }
  }
}