Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA2Zdn4/693J9gt/9S9oEUOqcP3A1Vo/9HYA9l5e/nXfUFIu6sAwVBg+1Af… (1,748 chars)"
  }
}