Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHrDSIIznSHyhazwyjGF/QBR+nXtpEVa7+oBFYKqaG/wE0hLQpRuVSRg9Zd… (844 chars)"
  }
}