Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD6NHccsIqPDkebf1G0YiuuMHQvd8FR27iI3iiTqC1xDmN9PtJkbVnVwoL+… (1,748 chars)"
  }
}