Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH2QqyNJhSb5Arf3m2iu23u+TTxcMHKO6BZM1MTnI6q5VX8Ee5mQYzqaBym… (844 chars)"
  }
}