Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCPuD1FKzlYHvE2w+4IOwd/NyXsHkbLUM0TBsCP8wPwvwJD8562nmdpk+h8… (1,748 chars)"
  }
}