Transaction not yet indexed

MLFB7mPDheYticSPyf4ET6tPt6cd6wbcfBpSiH9y92MxQdNTox8zz2VgRiV2jf5R5SBJmFCDXQ4iLSMMDp2S9Vv

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