Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC4joHZjGTnVcjxjOPNHIEq4Mi5Mm00NG6KLi1uCN/12zCJNsA96OJGyAR/… (1,748 chars)"
  }
}