Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG/RwxLKHNVSC7dEfos7XR9XB4hUwKQCHZz1RZwTk1XKyJ3qNeOhORoRiPJ… (844 chars)"
  }
}