Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDdho1Id5wMzGV3GVt/4hf8XWELsH5VwtVqRmEpLD5knURhG6UUS8EHE6rd… (1,748 chars)"
  }
}