Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDky/1+hjPyPGP87TyLL1w6keOLtPME/4P1AiW79FycUXPRuC5zv8uCDzKk… (1,748 chars)"
  }
}