Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAcW750JpK8yTYyRnsnXC4emQAXpO3jncYRJ/FhjyVrAFV2h5WaC+gr7p1J… (1,748 chars)"
  }
}