Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBdxgHUxN8uxWC5288GB4K/fJE6DAt9vhqoZC6fbSMKx2RjZqzyLHes7bbh… (1,748 chars)"
  }
}