Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGPoay5tWvDmmqfN3BvGtJXKaVYmCfF1DlPZL5Eo6IjzTqeKGEdbb3z2xGh… (844 chars)"
  }
}