Get Vector Index

curl --request GET \
  --url https://api.useinvent.com/orgs/{org_id}/knowledge/index

{
  "id": "<string>",
  "model": "<string>",
  "contents": [
    {
      "type": "TEXT",
      "contents_count": 123,
      "chunks_count": 123,
      "chunks_processed": 123,
      "size_bytes": 123
    }
  ],
  "pending_count": 123,
  "failed_count": 123,
  "created_at": "2023-11-07T05:31:56Z"
}