Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD2biDe5qvWUkKflNGgGyhU9YJbpzjxt+Ci5x8XixHiZBnMrB5mgDAwbEnx… (1,748 chars)"
  }
}