Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEuPpwC9Tu8Jtw4SpHr18PPTf6CkRM40gMnRrcJhV7yUhTegqWaDy6Fbt3T… (1,748 chars)"
  }
}