Transaction not yet indexed

MWKB5jtXfpsMUTmRnRqrhTB4hwf5PTFTJisMRG9aH2YcgNqCyABHD78rjz6fbywdE58CsjQVuNZnk8NtrZNG9C7

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