Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEVPtT4S0PhlTfFkylNBLi4HXOfTOBDhy/SnRV7SJHgnUv9MrOb84ySHyhT… (1,748 chars)"
  }
}