Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAnC1jJn6Vn5RYr+MtY+5PYPN1rOGx8f24Wl2NxykKkdD9AJCHF3Fd3MGo4… (1,748 chars)"
  }
}