Transaction not yet indexed

21kU4ei9QaLcHHb2hs3RkAD9ZzwDXZdfQG4uDfAsz9qxd2nYJh3cvkmBcNCTQRrrP5KqBSYDVhWD2YNmumHur99r

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