Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE5AH6tcY8i1F9KtLSyO8IpFVuOYzJIisEOJcISexcoZgI3MZCPha1Nj1kk… (844 chars)"
  }
}