Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAyMerP9y2ozXouEoPT1mxAx2oCNWPH7FR+zQjXRVwahw2v6/+8MsYC5hFV… (1,748 chars)"
  }
}