Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGypTdmZVwH0J5Zz/qwvNjt+T8qKqTJYHu90tiDl+UMbwUS6vqSmeoI/0RB… (844 chars)"
  }
}