Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/9nKLBfnIW9abQF8LrBMuj8P174oCtgvVJ2Zi8DqG/xQNCbh2ni2H/V5V… (1,748 chars)"
  }
}