Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDzXr2ctOVzkt6MX2dlYmlyb+6kTQ+xq9Qpn7fzlHCdXBIkwoZ/GclSGtE8… (844 chars)"
  }
}