Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCEBmqE2i2Tdk9N6fSscOasjm4QRD9r0eZJ8DbOV/Vb31bO3B7cUr3fiHlM… (1,748 chars)"
  }
}