Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAJl0gV9HGIpyzICyL48DuJk7gp5G4lLpjF1qpUoI1Gqwyo+qew20rPHE2/… (1,748 chars)"
  }
}