Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA8hRKp3UgN+bCmB+GY+GwB9aLnSPsPTkYtZqcNDtTKFyPLTxCtQMjJ5f0/… (1,748 chars)"
  }
}