Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAY3L7vZzyBu7VIdKI0Cghz/cdS+83ZR8HXt+hYZ+fgxQcEWp8LDeDj/g+b… (844 chars)"
  }
}