Transaction not yet indexed

MkBXRAcd6cKxoCsfUYnp2PYPonv4tVB2dE3eEhJZLkn5nQbTHaP8CEdpi6eGr7w7JvDNyzH8h1TCL11bxhdW9Fn

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