Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCnvCc4KkxQyp+ZKPzyaaHJ2kz7lud4zl8Xw+I9JGz8lUiJn27rONlNHKH+… (844 chars)"
  }
}