Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABuN17ndbYBGpGWy3pwtFlzSuK4NZNdhaIVeH+IkFAFD/eCeBsV1iBsk6V… (1,748 chars)"
  }
}