Transaction not yet indexed

21nDM5KWwtuHMaZsxFtcESKS44mmaQHStKfjshwNkVZxtjNtFrMkSfWsre7kGnjT3AS4vo8JhiFDhdMY4NKRsFHY

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