Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA1imME+F1dK93+6pMkn3w/WUOSiFmpSX4N2PYsQsGJrUxUF4Fj9BRXi0gS… (844 chars)"
  }
}