Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC4zX3AxPcB7CzqIQVTbrnU+kMiUe4XmMwOzWJHbv46GFonlxcmLYPa3ZvW… (844 chars)"
  }
}