Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCmT/4KYBF4wNXz0I/eZu2L6jp2RPbxsxAK3ghMxmcwLnx+MOJ9PJP6W5K3… (1,748 chars)"
  }
}