Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQJHXSG4wNqvi5+yxmS2m7RZJz4MakA4EXc40ne4FY1ZwwDUiVT41GKUZ2Bx… (1,748 chars)"
  }
}