Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBkgw5wHOeeay/eFXmNd6+w/CJH4a8TnIIKvXvo2zQWxmcRmH+v0dvB8cvE… (844 chars)"
  }
}