Transaction not yet indexed

21BkLwN64ECTsk9K3RCPFyC8tfbMSh1m3ddb3AFShTaK8Z5ExuUENGLNSkKhoPBp2X7i21o8QVKdxmH1seqVurP3

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