Transaction not yet indexed

MdPhk3UUeCCqymqjbt2BDCJDzMMEK6U1jbSju9TfNJQubiZxwgvUf2KcdNSSjQyTuvWjEs4zeKkJY8F9eGwRLCe

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