Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBHJjCeSbcuKOzcASE4FZqY2NKwKHJlfXCJbk1CXp1OT3coanhMaVoMtbj+… (1,748 chars)"
  }
}