Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE0AaNV6eb8VDD/xcLN1emqVudcvcEEn5bhDx8uHMc2KQV6xHcA/RL7L3j4… (1,748 chars)"
  }
}