curl --request POST \
  --url https://api.reply.io/v3/sequences/{id}/steps \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "Email",
  "delayInMinutes": 1,
  "executionMode": "Automatic",
  "variants": [
    {
      "id": 123,
      "subject": "<string>",
      "message": "<string>",
      "emailTemplateId": 2
    }
  ],
  "parentId": 123,
  "ifConditionPositive": true
}
'

{
  "type": "Email",
  "delayInMinutes": 1,
  "executionMode": "Automatic",
  "variants": [
    {
      "id": 123,
      "subject": "<string>",
      "message": "<string>",
      "emailTemplateId": 2
    }
  ],
  "id": 123,
  "parentId": 123,
  "ifConditionPositive": true
}