Transaction not yet indexed

MmNm2vLc4XVZ4UnkQCUFywhouiYHTBz2EsnG23RYDyqap8UGrS6ZwDtAWH2ujKRs2dWkByTsHdUwojnWjCBTcVp

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