Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCs7vOIQZXCIrVFbFEVfpnL4sP8a0Q+9JyCt6lg+oJqIkEiUdhq0R95oYVJ… (844 chars)"
  }
}