Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGMMk/lmwGd/tyvFDjgehBH1Wgpow7+Uxf1hSntlDT5cHVJ4eLM/l6/npvt… (844 chars)"
  }
}