Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCK2GPPgI2QUL+1kE/C2U3AOQv5Dwp9zXEXs1UcBzZE43756L3W5d6PM8fy… (1,748 chars)"
  }
}