Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFvPD6OA3F0DnZSioCshjeLfV6Yybd6sQUDyv5xvq4gxl+uKUJhff70q9Sq… (844 chars)"
  }
}