Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB0CmChPbfJJolRyvJ/8A6BC2nM6d1B9OGYqR1FkkqP/B8sBZof/Wy9zIVs… (1,748 chars)"
  }
}