Envie ao eSocial do seu jeito. O resto é com a gente.

curl https://integration.enviaesocial.com.br/v1/events \
-H "Authorization: Bearer es_test_9fK2…" \
-H "Content-Type: application/json" \
-d '{
  "type": "S-2200",
  "employer_document": "12.345.678/0001-95",
  "layout": "S-1.3",
  "client_reference": "admissao-0042",
  "data": {
    "indRetif": 1,
    "cpfTrab": "41872634036",
    "nmTrab": "Mariana Alves Peixoto",
    "sexo": "F",
    "racaCor": 1,
    "grauInstr": "09",
    "dtNascto": "1994-03-12",
    "paisNascto": "105",
    "paisNac": "105",
    "endereco": {
      "brasil": {
        "dscLograd": "Avenida Paulista",
        "nrLograd": "1000",
        "cep": "01310100",
        "codMunic": "3550308",
        "uf": "SP"
      }
    },
    "vinculo": {
      "matricula": "0042",
      "tpRegTrab": 1,
      "tpRegPrev": 1,
      "cadIni": "N",
      "infoContrato": { "codCateg": 101 }
    }
  }
}'

$curl = new Curl();
$curl->setHeader('Authorization', 'Bearer es_test_9fK2…');
$curl->setHeader('Content-Type', 'application/json');
$curl->post('https://integration.enviaesocial.com.br/v1/events', [
  'type'              => 'S-2200',
  'employer_document' => '12.345.678/0001-95',
  'layout'            => 'S-1.3',
  'client_reference'  => 'admissao-0042',
  'data'              => [
      'indRetif'   => 1,
      'cpfTrab'    => '41872634036',
      'nmTrab'     => 'Mariana Alves Peixoto',
      'sexo'       => 'F',
      'racaCor'    => 1,
      'grauInstr'  => '09',
      'dtNascto'   => '1994-03-12',
      'paisNascto' => '105',
      'paisNac'    => '105',
      'endereco'   => ['brasil' => [
          'dscLograd' => 'Avenida Paulista', 'nrLograd' => '1000',
          'cep' => '01310100', 'codMunic' => '3550308', 'uf' => 'SP',
      ]],
      'vinculo'    => [
          'matricula' => '0042', 'tpRegTrab' => 1, 'tpRegPrev' => 1,
          'cadIni' => 'N', 'infoContrato' => ['codCateg' => 101],
      ],
  ],
]);

$evento = $curl->response->data->event;   // 202: o evento (uuid, status VALIDATED)

const admissao = {
  indRetif: 1, cpfTrab: '41872634036', nmTrab: 'Mariana Alves Peixoto',
  sexo: 'F', racaCor: 1, grauInstr: '09', dtNascto: '1994-03-12',
  paisNascto: '105', paisNac: '105',
  endereco: { brasil: { dscLograd: 'Avenida Paulista', nrLograd: '1000', cep: '01310100', codMunic: '3550308', uf: 'SP' } },
  vinculo: { matricula: '0042', tpRegTrab: 1, tpRegPrev: 1, cadIni: 'N', infoContrato: { codCateg: 101 } },
};

const resposta = await fetch('https://integration.enviaesocial.com.br/v1/events', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer es_test_9fK2…',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    type: 'S-2200',
    employer_document: '12.345.678/0001-95',
    layout: 'S-1.3',
    client_reference: 'admissao-0042',
    data: admissao,
  }),
});

const { data: { event: evento } } = await resposta.json();   // 202: o evento (uuid, status VALIDATED)

import requests

admissao = {
  "indRetif": 1, "cpfTrab": "41872634036", "nmTrab": "Mariana Alves Peixoto",
  "sexo": "F", "racaCor": 1, "grauInstr": "09", "dtNascto": "1994-03-12",
  "paisNascto": "105", "paisNac": "105",
  "endereco": {"brasil": {"dscLograd": "Avenida Paulista", "nrLograd": "1000", "cep": "01310100", "codMunic": "3550308", "uf": "SP"}},
  "vinculo": {"matricula": "0042", "tpRegTrab": 1, "tpRegPrev": 1, "cadIni": "N", "infoContrato": {"codCateg": 101}},
}

resposta = requests.post(
  "https://integration.enviaesocial.com.br/v1/events",
  headers={"Authorization": "Bearer es_test_9fK2…"},
  json={
      "type": "S-2200",
      "employer_document": "12.345.678/0001-95",
      "layout": "S-1.3",
      "client_reference": "admissao-0042",
      "data": admissao,
  },
)

evento = resposta.json()["data"]["event"]   # 202: o evento (uuid, status VALIDATED)

var http = new HttpClient();
http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", "es_test_9fK2…");

var evento = new {
  type = "S-2200",
  employer_document = "12.345.678/0001-95",
  layout = "S-1.3",
  client_reference = "admissao-0042",
  data = new {
      indRetif = 1, cpfTrab = "41872634036", nmTrab = "Mariana Alves Peixoto",
      sexo = "F", racaCor = 1, grauInstr = "09", dtNascto = "1994-03-12",
      paisNascto = "105", paisNac = "105",
      endereco = new { brasil = new { dscLograd = "Avenida Paulista", nrLograd = "1000", cep = "01310100", codMunic = "3550308", uf = "SP" } },
      vinculo = new { matricula = "0042", tpRegTrab = 1, tpRegPrev = 1, cadIni = "N", infoContrato = new { codCateg = 101 } }
  }
};

var resposta = await http.PostAsJsonAsync("https://integration.enviaesocial.com.br/v1/events", evento);
var corpo = await resposta.Content.ReadAsStringAsync();   // 202: {"data": {"event": {"uuid": …, "status": "VALIDATED"}}}