Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHnG2h23a2jNlKpxVrJpb7lECMiqxlCd+mODld2bCzFbhO6uUvOCGf+0iBe… (844 chars)"
  }
}