Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAoxi9gIsS7WlI3+zYWVr+ovf9JC4C5bU43b0Rx+KxBH0YCZ8O8Ls8L3geW… (1,748 chars)"
  }
}