Transaction not yet indexed

MkC2x1wL9gStsCxA4E86agcK7EzsVFUehsAaagtYV4eMJ2LwVwZKUDLUdUV7enLMWp2mbSZK2h4tmNNXdcWtfqm

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