Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDyCol8weM7tqO2Fzlb4Zc4iIAVzgDYd6hX9CZb183VKBD6My7p/UunG0Tz… (1,748 chars)"
  }
}