curl --request POST \
  --url https://app.myhero.so/table/reference \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "tableId": "<string>",
  "columnId": "<string>",
  "documentId": "<string>",
  "_id": "<string>",
  "relatedRowId": "<string>",
  "oneToManyColumnId": "<string>",
  "oneToManyInstanceIds": [
    "<string>"
  ],
  "type": "relation"
}
'

{
  "data": {
    "_id": "<string>",
    "documentId": "<string>",
    "workspaceId": "<string>",
    "tableId": "<string>",
    "columnId": "<string>",
    "relatedRowId": "<string>",
    "columnName": "<string>",
    "tableName": "<string>",
    "type": "relation",
    "createdAt": 123,
    "updatedAt": 123,
    "originId": "<string>",
    "oneToManyColumnId": "<string>",
    "oneToManyInstanceIds": [
      "<string>"
    ]
  }
}