Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBYNcWa3Pb6zVniBHyEgYHYYEMCOU4Vl8fnhbsELUxaEy+keO54zBEfWWZ8… (1,748 chars)"
  }
}