Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAwOJy9aUlvhEXQQAb/D6n7Q47vfe+8xc8L8fLHjj/LSjf1SP/RvoG81Iso… (1,748 chars)"
  }
}