Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGcU8Nf2H4qU3ebBRh4EtT/h01nXiLqOJBMUfWfDzj5Di9m8Co51YJwJxi/… (1,748 chars)"
  }
}