Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDPud7X7FGOsCqT94LMGL9bS5yM6Ioatpr8fFyZZaEbKDk+ssr/FX8kPjf5… (844 chars)"
  }
}