Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGYU2OBwAs54cFi3qe/D/Yy5Nz1tTFz+ubAQ9pIxyL+zAWzu9Lg0TomLyrj… (844 chars)"
  }
}