Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE4tqPiwRzHcdJ/D9Iq4rRvt8vuAHxLAY9HWr6YGfwPA3xcvYPBf2ykpJyB… (1,748 chars)"
  }
}