Transaction not yet indexed

MMHAQcssd5Nb8jrL65wKzY27tZs3JYKB4E1JUt6DHXcR5X2sxuDmBEqHwJqZ3WF9zyQbT3vbNbm8ht9csE7EXnJ

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