Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFg5o6n1gUkhtNxDqqlZjXlIzj9WnkNEwCBhP8FvtkdDS2OzS2mKqbk7JbH… (844 chars)"
  }
}