Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH1ohsGclIXR6a5vMtytH77Q4H0fY0JitvMxZZ5NMUNnQRLe+cGLH6rh+h2… (844 chars)"
  }
}