Success
{
  "event": "USER_ONBOARDING"
  "status": "success",
  "failed": []
}

//Partial Success
{
  "event": "USER_ONBOARDING"
  "status": "partial_success",
  "failed": [
    {"user":"ceede6ba-bc5b-460b-a056-b28e5bce803b","reason":"duplicate key value violates unique constraint \"UQ_e38c53eed7cc80d27d280388381\""},
    {"user":"19fdddc7-6f0f-4408-b132-55b6ac734ce7","reason":"duplicate key value violates unique constraint \"UQ_e38c53eed7cc80d27d280388381\""},
    {"user":"4d7b55c0-716e-4db1-8c01-91f5922746b4","reason":"duplicate key value violates unique constraint \"UQ_e38c53eed7cc80d27d280388381\""}
  ]
}