Transaction not yet indexed

MEMM3eyimLDVEyT5LrHLgNPMn2KMVG8Lhu9EYmNLMrUWHdBT51Bb85tWiTnmdCjfff4Vqtz2hravCMfNLaBKJnZ

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