Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAt0JOmaI9zRyHH/p3eDSOgNEUPyRcSVBhcs6fMmE4lN2fK4Vdp8pgfJhZ3… (1,748 chars)"
  }
}