Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCAj5Kwm24PkqHAv/IljKPIGKdkkAf+c2GKFop6I3Krj2nYJruc1J4xSBST… (1,748 chars)"
  }
}