Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAf60oE3Qg7fRB1yGI/swu7+PLHg/f+ZobNngCgq1lP9jBlCN3H9c6DJ/hS… (1,748 chars)"
  }
}