Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF/3FwmGByhkOH3J5VNy+eMNcpNlKvuAg4c5Hi9VIDl2HhzVgTyfl/oeXLg… (844 chars)"
  }
}