Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCUpncVdO/7JdlXxgA5oSYg5VaI2fgq5/NTIrJt4kdirUaGoEhLNSgD/Vzx… (844 chars)"
  }
}