curl --request GET \
  --url https://{workspaceId}.clinia.cloud/partitions/{partitionKey}/v1/relationships/{relationshipType}/{relationshipId} \
  --header 'X-Clinia-API-Key: <api-key>'

{
  "id": "<string>",
  "type": "<string>",
  "from": {
    "id": "<string>",
    "type": "<string>"
  },
  "to": {
    "id": "<string>",
    "type": "<string>"
  },
  "meta": {
    "createdAt": "2023-11-07T05:31:56Z",
    "identifier": [
      "<any>"
    ],
    "source": "<string>",
    "updatedAt": "2023-11-07T05:31:56Z"
  },
  "data": {},
  "includes": {}
}