Transaction not yet indexed

MmREFCZmiEAsCAeGFD4pzzFKtkAzK97UfKt5XeEfi4Z9ec1CLxrHAw2GbHVHz1UZPNVbqVxEz2np3wtjXCVsiV3

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