Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCUCfOrVgM2aH4hM1yrj6/hFZ//NWm5yxMSgx2TQYW4snWMW8EDx0YHlpYy… (844 chars)"
  }
}