Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJhFEotnp9acThN+FPXXmbUU28cZ3NNkp/CgLM1nA5aA2pzK6auJ91vRawe… (1,748 chars)"
  }
}