Transaction not yet indexed

53ubKhYFWq1oxNnAJGk7Rnf4e3Yk7cWq6MTr4fd2pNYyGqcobLLYhooF75aF6Bi9TYJ7Bm1VCbk2WrdzvU2MuYsP

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