Transaction not yet indexed

21tnt8Cbhu6txEFjkvs8p4fZF9vi9G1NeoHP4gD4inSidybKQCACK13pTLDVXM8wS9GjuJTeGk2tmabMw9fH96Fm

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