Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDhAUs/MtiYnm62a23Eyb3LDXhDCZtiVTI/lx+TGM/O10TmXKeUK6+9Yjz8… (1,748 chars)"
  }
}