Transaction not yet indexed

28Z3rVk1nDtAgcRGRLuPy8hpK2Nk3HJ6VnA4hv49xMMsz5SQAESUbMQ6VXkyZEev1WXRLuWUUf8DZmWvRGedb231

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.