Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBrfQ+Va75asuagVi1jmk3e0VUlUQPv4aV0tM6rUZEIbzNQGxWPJrzGkK2T… (844 chars)"
  }
}