Transaction not yet indexed

NmNnsEqGf1fhCd9LR68QJGPznauqmSMyQY9UZUvqBvy1yeBuF9CTD18Q2Q8dNNFbP8P6rTaaZynNegX7pGYMsfo

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