Transaction not yet indexed

MuKcWWRknZJakyeu7Wp6A5AhYE2bQbhAe5NotcwQzZgFauD52uZzNqPvbmAwNFwySCqkqYnDUY4ffDXjRZU2ZpC

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