Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDGAE39HlFryIoN4mhKxp/RKi71s/QYwEQ5h9Wtv4pMM0SP6vojQIx7xpf6… (1,748 chars)"
  }
}