Transaction not yet indexed

21dDDC7GG4sK3a4fMtWMPWx3UU3i7SruvRdaZkX4Lm5t2HpgKrpF1RSjcsZhPkY83ccRQrUHx3qtCMik6k9KSgQG

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