Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDY8xXt+XqmuL6NSl5MecHHQcs0fXzNqZ/5oJPHMW2wnmgWykbgFz6Rg/wt… (844 chars)"
  }
}