Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGzdS9av4bdoNVRB6o8O8DtnPc1kpQsfGFyB7YWTuCFcFbFNzp8WB9BJ4dQ… (1,748 chars)"
  }
}