Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF3/9/d1/JTm7K66IbsI+Ec83SZyvAEev51YKRWKC5XaE1L/ghPr5Zzsak3… (1,748 chars)"
  }
}