Transaction not yet indexed

YLmygZCm3a17YDZkpNkAqFSs2aytsN5JchBerGvNUn3QhtKNZMEWJagUhh8aNafmoPzGEfcTuE1fTVNjZEdDQ7k

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