Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCcWjovXRs1c8wn3DY6rAwDgLLpLSUa0oHB3YhgseOkIgnt9dY4rMSzO2cT… (1,748 chars)"
  }
}