Transaction not yet indexed

21ALCSqYKmL2yNxAmkPW9LTgZkzoE5nKAFEjaBkdwRVUjoZShtvHSMECPups5mPV4DFn9TxnnW2h5r2TvzEsCzL2

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