Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD9Y2Fw26JIGR2mH2iDl7vpxP4MpwqS7cz0VlXgZ3Ck9zZNGuu6C+6YrSZz… (844 chars)"
  }
}