Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQL2BJxnC46gAO8MVL+2jXAaQFJo9g/OA1OMdEkR22ZxX2rwGrZ+DFgfIEiV… (1,748 chars)"
  }
}