Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCbSZDH+TmGGK+kyvf7FbGfhN7GqCAJPc8OcPvpCeVP0EHhQ9LAaB9RR4Dp… (1,748 chars)"
  }
}