Transaction not yet indexed

53DBnTHLMMtoBs2hPh2K6eb75GUYAbAuQSVbXDdudMUiWZ3NPcYzpv4Bcci4b5SiBSb8dbHBeY6S8MMnu4X5c27

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