Transaction not yet indexed

5b1LBa6YfRL7m7aZXUixBVEQzMF1hquGBchh7xZ1gfaXFcvPXdtUSh9iNXaFYjAKTfRtGPZtU8EHqwiMU7YSW8xV

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