Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQL2C/WYNXcyOSt0b/1mxcPnoDq5R9aTByZGzAoQbVlRXTQiSlgCyYM6w8SB… (1,748 chars)"
  }
}