Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD29zNY6yQyS8OpP5ZHTRVgBlN8wfgB42tMpX5wGunxTzUaPUdU7b1qWw9H… (1,748 chars)"
  }
}