Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDRde/7f/kXgZJWXdtCpBQR4YWbnpK+49bM/C+Mg2YctycV8B5veu9lK5qL… (1,748 chars)"
  }
}