Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCn0wTTlhueYdYNEPRvu0ZISHntA2kEHJnvqzo1uLW/GB4Av6B6l8n2J3IX… (1,748 chars)"
  }
}