Transaction not yet indexed

5M1TUGgMDFEooqvcNJKoHygzgefYNwz7MsYw9JrebgLXixoZ3hFezYSeFMksa7ds5qidcaxc4Nm7oLZCJJ6T3GmZ

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