Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBDpoOWQEao/xhEW7XdRgWQCB7+dLVCTlu9BYRi12bhrnQkuuJ9FXGEquzv… (1,748 chars)"
  }
}