Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFvse4SAjBgXO1gs+CrZMPFkuRF/H2aIgWvGK4L5+nfV1rVTAJO0AKmbGdC… (844 chars)"
  }
}