Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCcb/zBJkvE0D0T83/hYk/5cnCCYi47rcOYsYzqBWj6WW9Mf1k9BjYMRe2k… (1,748 chars)"
  }
}