Transaction not yet indexed

21NB18AEfjtdQ1L43Xx2ga8rBfzaCq5Qx5DgdS2nBKiMf8QeyiGsRcwfJDnaer6a4VTc3bb1Ktos7swTPtnA9jig

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