Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwD4CnVIHRMejXAFJd6E08lVLrq9G/wSRYVRk9mQvl1I7CGNWvqS/b9PTJbV… (844 chars)"
  }
}