Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCaCHqzoMQzEucCdIrJ5Aa8R5vFPpe38mh1nAf1dCB1wSFN1FnIK1Csi4tj… (1,748 chars)"
  }
}