Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH2Fhm49WMgloWJCf3p2IL7u6WEunfGNjFp6nL7HjwWtyqk7Zxr+hMV1kQZ… (844 chars)"
  }
}