Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG42zL/wMGCbEbQ9Gdcmq+j0QVz0w5wbHlXt/j2DeOFXBpqAcHzlI5wk670… (844 chars)"
  }
}