Transaction not yet indexed

21Xn7uhPBm9RGu7A3ExMuTK3B6vDhfzciLtNBNERrfMb6vgmLnSQYnwJ3Q1iaZGrcHuSyTVfj1pcAkJRtFWUyGdn

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