Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCOcL1fpsJajVPkT7Nrc9Q6KGUhEk8xMD/9lt2kOHEtPn2KbHtP9p1LT1Ki… (844 chars)"
  }
}