Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHJWMHdvzR28lVHKWhl/pjXoVEyJOsu6+wSg+CYhlGYPW7yoSrgUOLNp1IJ… (844 chars)"
  }
}