Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA2+pqmY6ghgYVF+Q9PheXgAyt3sPZI8vnC6C1FSM+w5TcaPuXyIUinKFti… (1,748 chars)"
  }
}