Transaction not yet indexed

21NMP6DCZsLERjsjfmYaP3f7D3t8AgsCdhmaaCbxWoJ7YKKyE1m9piyR1fFNAH5rVkf8i6v13cRPh7wLv9i9ten8

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