Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCTYwbGcn9k1Xd6lrkizcW5rb9yf/RC0cQBvHVmpiOS9liHhi3E6bQTf7b+… (1,748 chars)"
  }
}