Transaction not yet indexed

MkC3gJB4Z18UKt3x7nRqx8nAkokHqHo8xK4Btf7WpcghEhkKPMKG69ei47VFMNedyi4WQgdonDMVWT4S4Rb9fPL

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