Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB/m5YRnF+mDqt0Ug2lLUaTwu3GKHHrOyN/Ap9Q1vIwpxS/+LrnQ7XH6ONg… (844 chars)"
  }
}