Transaction not yet indexed

MFfNMey7uTMRKm8yVHWjVMYRxHK31b2mQD6mnhaf4wcXpa1Cm6mc2RTxFqoSY4pZ8jXryvJRab1XzBmL2zaVRSr

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