Transaction not yet indexed

MmYMVnZ5poxzdKCY7g38ubFN5sZSVsA44AotHatLauv2GXpcyd3KVnynNcGYvmEXJM9V8noXJtD5jBSfBhaTb88

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