Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFHHVaJ0hTWiXp5vVi05Dh+tdhFMUDVKSLw3lTeBeJOmHzZ3TNHIuv9XtBa… (844 chars)"
  }
}