Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAjcSscnijv/0GGXhVtyDHVdFm9nbJN+q4Sncop3Vi1j3XrXEjPZen0fdyj… (1,748 chars)"
  }
}