Transaction not yet indexed

1Ykm8GDPMFpsk5euwFpmuTfBDzz1jUWG3f6ntzfMd71gttWLqHGsjUiytXc3oCCxDxddTwgRFqT3K93KsXSEshT

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