Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBcNKJvPJuiY14fcHCN16tKDqQIvhakYaOsNtwoY2XagiNs0Dq5oFi9CFdu… (1,748 chars)"
  }
}