Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEqyIAzeB3PdwcuUZseBtZ4V9C2r/4UB8L3fhBYy6M60VQpT1HHSPCcPCGz… (844 chars)"
  }
}