Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHsKEAe8Kk1EuLkC+KiPWLlg77/eD2YPlSEF1gJMSygIC4/H3sX4pwIl/Jn… (844 chars)"
  }
}