Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFtIBfG/NyGMxHO9PeKLUKZuCTIEKqgcp0X5ptFzlGo6yTfVtWmFr8Nsshn… (844 chars)"
  }
}