curl --request POST \
  --url 'https://sandbox.rollfi.xyz/stateRegistration#addStateRegistrationForRhodeIsland' \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "<string>",
  "companyId": "<string>",
  "code": "<string>",
  "companyStateRegistration": {
    "Employer Account Number": "<string>",
    "FEIN": "<string>"
  }
}
'

{
  "status": "<string>",
  "message": "<string>"
}