[
  {
    "id": "row-a",
    "providerId": "company-north",
    "accountId": "subject-42",
    "userId": "person-a",
    "issuer": "https://north.example"
  },
  {
    "id": "row-b",
    "providerId": "company-south",
    "accountId": "subject-42",
    "userId": "person-b",
    "issuer": "https://south.example"
  },
  {
    "id": "row-c",
    "providerId": "github",
    "accountId": "subject-42",
    "userId": "person-a",
    "issuer": "https://github.example"
  }
]