Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHr+BUnNnSKLTeJwZ3HJXuFx1HmfBRzPg8ac/XdweBVZkXUAvfTRE9ZiEVv… (844 chars)"
  }
}