Transaction not yet indexed

5Sspt2DZNewSYqsPPf9CbG9j3HkJet2aUsXkHJAjZjN3UTLiFxHsbYqoLiqAeXJ5vbnHeVSTbwvTomL5ZStmuch6

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