Transaction not yet indexed

mMKWN6j4aVCUmoTcbuR9ing8XtKas8Ju3J4hV9q8FUEiz7j3iW5zeiqSZf2KnW6rVYiAkhkGSGcMqSSN9eUwtqx

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