curl --request POST \
  --url https://api.raul.ugps.io/api/omnichannel/send \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "to": [
    "<string>"
  ],
  "subject": "<string>",
  "body": "<string>",
  "cc": [
    "<string>"
  ],
  "attachments": [
    {
      "name": "<string>",
      "contentType": "<string>",
      "contentBytes": "<string>"
    }
  ]
}
'