Transaction not yet indexed

21SgkCzAhjoeprkgc6bDXRHGMCBt1V1eNPzdqdWFrpyLsGP8qCnq2mcLEhkVa4uTK4e7jVr83exhKgjr8HKy3b8W

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