Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBLEk20cWUQOP5J1DP/uvr3pY5Ckgz/law9ltE01gzsYSCu9hv5yOKMyRKF… (1,748 chars)"
  }
}