Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFgX8u4DFcIm5fgIaLf+1GCJ08D4mrIwKEBE0Yv1Hm5SCtOgQKIbEDVEFZe… (844 chars)"
  }
}