Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA0GF+BfRiTv6Xzf9PQIl0+OFVL0NtQlzZVQPqcGo7cyj6l676B3jztQHB+… (844 chars)"
  }
}