Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAGS4dCfUtEtH9mDB4TkXjPpVVKUYvZjka3Wc/WMD5hJWDbWRxLE4HoSIoE… (844 chars)"
  }
}