Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAf6PRgkvEGrmKr5ZacDOLRmJeGGXWrc7H1e+K2j6iSzhwJJEoLX7lQ3erR… (1,748 chars)"
  }
}