Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDQvhHahZyfUBE+rrwIxwaroHn4R2rrvnQfFx/Vq3KSM33syy6pwHuoJRb/… (1,748 chars)"
  }
}