Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGbYuLkCZKQ0+Aq+FCPf6gCQXn/cWWh8yk33rA8oD25EwHNuUffz4BDhP4+… (844 chars)"
  }
}