Transaction not yet indexed

121JKmwMDiEmLjVFqx7hkPHjZyWxeaCVSgBnESK7aHuEMHHhqyechPCB22S7m1PvxnwvZL3BFDhEQUmeiiGGDTsQ

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