curl --request POST \
  --url http://localhost:8000/auth/onboarding/establishment/save \
  --header 'Content-Type: application/json' \
  --data '
{
  "onboarding_ticket": "<string>",
  "establishment_code": "<string>",
  "emission_point_code": "<string>",
  "establishment_name": "<string>",
  "address": "<string>",
  "next_sequence": "000000000",
  "next_step": "establishment"
}
'

{
  "current_step": "<string>",
  "data": {}
}