Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDcm9f6x4VNSrk0jDHCGp8OKZFRAIZ3Fr/sSI1Kh8N4QSDJmujPQ8f35Jcz… (1,748 chars)"
  }
}