Anexar arquivos

Example request

{
  "receivables": [
    {
      "identification": "5120070562",
      "files": [
        {
          "externalId": "612746716/FTS",
          "taxIdentification": "15996430000182",
          "fileName": "exemplo_nome",
          "fileIdentification": "TERMO_CESSAO",
          "fileExtension": "PDF",
          "fileS3Url": "https://"
        }
      ]
    }
  ]
}