Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHU5hqRNiMBBxJ4ZtcEnuY183OdtKq0Cb0kdoGZvV+WmxLAhqW1yyZzj6kf… (844 chars)"
  }
}