Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDaZfxYiKq3VwIbS1uF3qltCpqZSdjlE1kYRytDr3a65zOr92vdKdqwQ0f+… (1,748 chars)"
  }
}