Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDqe0iaGAOy6MpSdMATcI2pi1PO86zSpDK/SZaO3p3Ey25i0SOLhNnCIi6F… (1,748 chars)"
  }
}