Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCHZzvqJg5r2yy+KCbfCDpk0hIzBaZWnh1CZbcDac8ScmMAN8r6S8aHYoX/… (844 chars)"
  }
}