Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDm3R6dPBqY4ndGx0/lAn0KYiByNwKfLOhmZmjP0JbzNzuSxUpa/HIWm9Z8… (844 chars)"
  }
}