Transaction not yet indexed

MkGztrgDHDe6JsZnoGoqZEqxtnELiEchc9QrGuEUecSYz2KJa6PrFqCv5MAx5bDmr8jW1q2Lph3GsDhaJDTfAgQ

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