Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBlCvPh8g2LkB22/Vsi0gX0qulhixL7mCzYlNCOl3+k/1lYvm8zxf2YxCys… (1,748 chars)"
  }
}