Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB/pJy0YXfv/cFWhUwq1JuuAtt5Y8xtBhALCeSOYJUY/DU7mOvjwMKBAjb9… (844 chars)"
  }
}