Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGL7UcWlTVFyE06MNtbbfU6YAhqDicm1hNYuIjAthDei1pzR9Qshy0Zv0hM… (844 chars)"
  }
}