Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCQAZ8Zl5/njMPf8CPa2Sl9qhKlxB8D5UjpSaA3dO5ItEpLdjsRRzDhvCyw… (844 chars)"
  }
}