Transaction not yet indexed

mumdH8MWYdNgfVNRD8PCiTtnVqAopEa3DLbLDect8457LHR7A8Pg8ymD8DVKiJJqordfpkNKYmLfNSySvva2YRf

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