Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQG/nwXXI1uskNS6K1MXJEfw6hbFYmBdhxfHRqqpd+g9mxNyGafhUe3VT7A+… (1,748 chars)"
  }
}