Transaction not yet indexed

kC21u5mr4oSdmS8Psnd2C74bn9e2oe1fjPHV8FxdMs4W4CeKqMC2cMitBRXov2g5FwGWUCs47Y2G1TpnhBiDcz5

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