Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCHy03jjEOC1Xu6GiMcSJm4ou5L6/ARS/kTnNoL9Sm4YDrvPeZWp9Xm6fHv… (1,748 chars)"
  }
}