Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCJ7k13Vr70pFSn9a5QQNmlHKoG+x4IThH5BGaf/MDX31y0Oc/2iCEbG/1z… (1,748 chars)"
  }
}