Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBT75O4aohirvjshcNF0ECj2DVLcAu7tuYk1q24x/7lfSUqkqrPWqmBt3Y6… (1,748 chars)"
  }
}