Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBtaz3QmEoOivn2sK6LfiyP+ce1IytFkf+0hEBdc4bM9ms3dQdKv8ZMhXZd… (1,748 chars)"
  }
}