Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBGFGdWYap0XJyJU2ygmCHK8IfoTjBj3W3S6xkdn5pa/j6o+2M91NnaQ4Lj… (1,748 chars)"
  }
}