The service provider, service operator, or service performer; the goods producer.
{
"provider": {
"@type": "CollegeOrUniversity",
"name": "Example University",
"url": "https://www.example.edu",
"hasCertification": {
"@type": "Certification",
"name": "Institutional accreditation",
"issuedBy": {
"@type": "Organization",
"name": "Example Accrediting Commission"
}
}
}
}