Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA/8HMGUObe7NH1qEBj2P+YEK2rLLXiWmEQxb2bhWccjSqRtCO+B7eMt9G5… (1,748 chars)"
  }
}