Transaction not yet indexed

21LgkBvreuGKytZPqLDSpCSXM7eA5UPU66wP6XLxr6TxpY1aEB1V1eh1CwhsnhqbyE4duzL3mrqdQVT6fQmbfctw

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