Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCx3qO9+fYJNolqxlsEH3i6oqKlcCXjsmjVE8JyVxKLdD5jlsMtsDHGCRw/… (1,748 chars)"
  }
}