Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAYUgzn+PQAQPszhk7+EzUuOrS8P/R7R+JI5rvZPPjB7jubS+n9w1Qp/nuB… (1,748 chars)"
  }
}