Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEIWAPxvQQ7Tz5itI+tX6sWv/0yVqVNHDxPW7E2XDlpPRS2XjGpGnagwwgE… (844 chars)"
  }
}