Transaction not yet indexed

21GmUmEqc3XXuvmGWwuCmFcefF93sAEECcecULBGHXS8Z62o5QFPfTdXFBDYpfpt4vACa33mu6yQp4TFkYmqArXk

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