Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC7YNMGryGRjYyPVMM00Ux+4MAJ79csJf+00hALp/fN92mn8oRVwl4qK2nA… (1,748 chars)"
  }
}