Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFvZPjQPcjmCPXFvy9VdLTNUZDj3gIx8UBDwCUpMby4Tj4gCrH8HFHqPu9U… (844 chars)"
  }
}