Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAD6rp7XhDEd8h6R6y7CWidaFDkgZtJPiGIthN69QlzPTyScoYb8QEoCmm/… (1,748 chars)"
  }
}