Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBdWmZb7sV/+PqI7lyvBZwdXAQrm2FZgeL7Ej8WtrlEuGBhS3BFr0rdlVN5… (844 chars)"
  }
}