Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHq4eLx0vTBzrX6yL3/5GizW+CJm9T7BIiiLCzt7eixnT6HavUZtBB9o4pQ… (1,748 chars)"
  }
}