Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCcBx8op4T51o9c3Ep2RQ81eTYg9ZyT4dDxnsj8jFFGQjcHnopzAe/PEaV9… (1,748 chars)"
  }
}