Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG2vaTVZTDyrX2mY/hcYV7X2aw4+1NE2l6qBNN2AWqHjFVLXtFa37Ixqw7d… (844 chars)"
  }
}