Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEZVDiCeS9yj7Y0Jo2B5DQQ9XY+o+jyZLJXmmBmScm1zCH1hGcDrPSJEuKr… (844 chars)"
  }
}