Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGx3g48StRY9bKuRV5bNF0DoITaE1PnYfnouYH1Ww80HT4F8Fp3RHqAT74X… (844 chars)"
  }
}