Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFCkWbp9cIYvQ+B9qlxGXbBw+zIPEl3M9p4Tr/jyeD51zbmjGf4dqGVQC+4… (844 chars)"
  }
}