Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDZfFgb70wOAlSSx+kJ1qrbxAT7DyKmkzr2IVyUNuX9gEpfqMtmSR4uxCtc… (844 chars)"
  }
}