Transaction not yet indexed

MWkftNJWYEXMDzLSf1ZMDFseM8mHJgp4gYR2ZSeAWkFPq8TkcfpErXQyrWKJc13bWnRuAgxvaNbgGxXvfD2ink6

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